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252123454013200 = 2452711210322213253
BaseRepresentation
bin111001010100111000010000…
…111010100111111100010000
31020001200202201000010211112121
4321110320100322213330100
5231021242313211410300
62252115525451504024
7104051214140244520
oct7124702072477420
91201622630124477
10252123454013200
1173374a57a44600
122433b26a758014
13aa8b1a7bb8373
144638ba9a51680
151e2349a00881a
hexe54e10ea7f10

252123454013200 has 720 divisors, whose sum is σ = 768882467761408. Its totient is φ = 77762032128000.

The previous prime is 252123454013173. The next prime is 252123454013293. The reversal of 252123454013200 is 2310454321252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 77504902774 + ... + 77504906026.

Almost surely, 2252123454013200 is an apocalyptic number.

252123454013200 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 252123454013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384441233880704).

252123454013200 is an abundant number, since it is smaller than the sum of its proper divisors (516759013748208).

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

252123454013200 is a wasteful number, since it uses less digits than its factorization.

252123454013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624 (or 5602 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 252123454013200 in words is "two hundred fifty-two trillion, one hundred twenty-three billion, four hundred fifty-four million, thirteen thousand, two hundred".