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158381253408 = 25375319323041
BaseRepresentation
bin1001001110000001000…
…0100010001100100000
3120010210212021022010110
42103200100202030200
510043331100102113
6200432003531320
714304556304250
oct2234020421440
9503725238113
10158381253408
11611950a7964
1226841689b40
1311c20a9c0c1
14794693d960
1541be7d8bc3
hex24e0422320

158381253408 has 192 divisors, whose sum is σ = 486638191872. Its totient is φ = 44166021120.

The previous prime is 158381253397. The next prime is 158381253427. The reversal of 158381253408 is 804352183851.

It is a super-2 number, since 2×1583812534082 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6862368 + ... + 6885408.

It is an arithmetic number, because the mean of its divisors is an integer number (2534573916).

Almost surely, 2158381253408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158381253408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243319095936).

158381253408 is an abundant number, since it is smaller than the sum of its proper divisors (328256938464).

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

158381253408 is a wasteful number, since it uses less digits than its factorization.

158381253408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23307 (or 23299 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 158381253408 in words is "one hundred fifty-eight billion, three hundred eighty-one million, two hundred fifty-three thousand, four hundred eight".