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121023012321300 = 223523746123650703
BaseRepresentation
bin11011100001000111011101…
…101010001011100000010100
3120212111200112210221111122210
4123201013131222023200110
5111330320112123240200
61105221112045153420
734330424031351015
oct3341073552134024
9525450483844583
10121023012321300
113561a631434761
12116a70a1b5b870
13526b5621a997b
1421c578b89100c
15ded146312650
hex6e11dda8b814

121023012321300 has 144 divisors (see below), whose sum is σ = 360403807180032. Its totient is φ = 31332450009600.

The previous prime is 121023012321283. The next prime is 121023012321313. The reversal of 121023012321300 is 3123210320121.

It is a super-2 number, since 2×1210230123213002 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6708252 + ... + 16942451.

It is an arithmetic number, because the mean of its divisors is an integer number (2502804216528).

Almost surely, 2121023012321300 is an apocalyptic number.

121023012321300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121023012321300 is an abundant number, since it is smaller than the sum of its proper divisors (239380794858732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121023012321300 is a wasteful number, since it uses less digits than its factorization.

121023012321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23651218 (or 23651211 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121023012321300 its reverse (3123210320121), we get a palindrome (124146222641421).

The spelling of 121023012321300 in words is "one hundred twenty-one trillion, twenty-three billion, twelve million, three hundred twenty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 37 50 60 74 75 100 111 148 150 185 222 300 370 444 461 555 740 922 925 1110 1383 1844 1850 2220 2305 2766 2775 3700 4610 5532 5550 6915 9220 11100 11525 13830 17057 23050 27660 34114 34575 46100 51171 68228 69150 85285 102342 138300 170570 204684 255855 341140 426425 511710 852850 1023420 1279275 1705700 2558550 5117100 23650703 47301406 70952109 94602812 118253515 141904218 236507030 283808436 354760545 473014060 591267575 709521090 875076011 1182535150 1419042180 1750152022 1773802725 2365070300 2625228033 3500304044 3547605450 4375380055 5250456066 7095210900 8750760110 10500912132 10902974083 13126140165 17501520220 21805948166 21876900275 26252280330 32708922249 43611896332 43753800550 52504560660 54514870415 65417844498 65630700825 87507601100 109029740830 130835688996 131261401650 163544611245 218059481660 262522803300 272574352075 327089222490 403410041071 545148704150 654178444980 806820082142 817723056225 1090297408300 1210230123213 1613640164284 1635446112450 2017050205355 2420460246426 3270892224900 4034100410710 4840920492852 6051150616065 8068200821420 10085251026775 12102301232130 20170502053550 24204602464260 30255753080325 40341004107100 60511506160650 121023012321300