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23145214000 = 245383139429
BaseRepresentation
bin10101100011100011…
…111111000000110000
32012202000210200202011
4111203203333000300
5334400133322000
614344402132304
71446363034006
oct254343770060
965660720664
1023145214000
1198a7962937
12459b351094
13224b1a37cc
141197ccca76
15906e462ba
hex5638ff030

23145214000 has 80 divisors (see below), whose sum is σ = 56639812320. Its totient is φ = 9146476800.

The previous prime is 23145213997. The next prime is 23145214007. The reversal of 23145214000 is 41254132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×231452140002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23145214007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96286 + ... + 235714.

It is an arithmetic number, because the mean of its divisors is an integer number (707997654).

Almost surely, 223145214000 is an apocalyptic number.

23145214000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23145214000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28319906160).

23145214000 is an abundant number, since it is smaller than the sum of its proper divisors (33494598320).

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

23145214000 is a wasteful number, since it uses less digits than its factorization.

23145214000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139535 (or 139519 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 23145214000 its reverse (41254132), we get a palindrome (23186468132).

The spelling of 23145214000 in words is "twenty-three billion, one hundred forty-five million, two hundred fourteen thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 83 100 125 166 200 250 332 400 415 500 664 830 1000 1328 1660 2000 2075 3320 4150 6640 8300 10375 16600 20750 33200 41500 83000 139429 166000 278858 557716 697145 1115432 1394290 2230864 2788580 3485725 5577160 6971450 11154320 11572607 13942900 17428625 23145214 27885800 34857250 46290428 55771600 57863035 69714500 92580856 115726070 139429000 185161712 231452140 278858000 289315175 462904280 578630350 925808560 1157260700 1446575875 2314521400 2893151750 4629042800 5786303500 11572607000 23145214000