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145223514105210 = 23252879560470511
BaseRepresentation
bin100001000001010001111011…
…111110001010010101111010
3201001012020021101120122212100
4201001101323332022111322
5123013320224102331320
61232510432242324230
742406024026426642
oct4101217376122572
9631166241518770
10145223514105210
11422aaa4581a202
1214355359059676
136305698536348
1427c0bd9a2b522
1511bc8e4694790
hex84147bf8a57a

145223514105210 has 48 divisors (see below), whose sum is σ = 377712287447040. Its totient is φ = 38712819066720.

The previous prime is 145223514105167. The next prime is 145223514105239. The reversal of 145223514105210 is 12501415322541.

145223514105210 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 23 + 5 + 1 + 410 + 5 + 210 = 666.

145223514105210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1452235141052102 (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279976146 + ... + 280494365.

It is an arithmetic number, because the mean of its divisors is an integer number (7869005988480).

Almost surely, 2145223514105210 is an apocalyptic number.

145223514105210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145223514105210 is an abundant number, since it is smaller than the sum of its proper divisors (232488773341830).

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

145223514105210 is a wasteful number, since it uses less digits than its factorization.

145223514105210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560473403 (or 560473400 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 145223514105210 its reverse (12501415322541), we get a palindrome (157724929427751).

The spelling of 145223514105210 in words is "one hundred forty-five trillion, two hundred twenty-three billion, five hundred fourteen million, one hundred five thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2879 5758 8637 14395 17274 25911 28790 43185 51822 86370 129555 259110 560470511 1120941022 1681411533 2802352555 3362823066 5044234599 5604705110 8407057665 10088469198 16814115330 25221172995 50442345990 1613594601169 3227189202338 4840783803507 8067973005845 9681567607014 14522351410521 16135946011690 24203919017535 29044702821042 48407838035070 72611757052605 145223514105210