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52089897071520 = 253257112199723173
BaseRepresentation
bin10111101100000000111111…
…10011111011001110100000
320211102202010111012111220100
423312000133303323032200
523311420102122242040
6302441433544342400
713654241131422540
oct1366003763731640
9224382114174810
1052089897071520
1115663223a09300
125a13455174a00
13230b09667bb99
14cc1243441320
15604e9ee36b30
hex2f601fcfb3a0

52089897071520 has 1728 divisors, whose sum is σ = 237483725955840. Its totient is φ = 10148045783040.

The previous prime is 52089897071453. The next prime is 52089897071521. The reversal of 52089897071520 is 2517079898025.

52089897071520 is a `hidden beast` number, since 5 + 20 + 8 + 9 + 89 + 7 + 0 + 7 + 1 + 520 = 666.

It is a super-2 number, since 2×520898970715202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (52089897071521) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2247858654 + ... + 2247881826.

It is an arithmetic number, because the mean of its divisors is an integer number (137432711780).

Almost surely, 252089897071520 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 52089897071520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118741862977920).

52089897071520 is an abundant number, since it is smaller than the sum of its proper divisors (185393828884320).

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

52089897071520 is a wasteful number, since it uses less digits than its factorization.

52089897071520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23339 (or 23317 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 63.

The spelling of 52089897071520 in words is "fifty-two trillion, eighty-nine billion, eight hundred ninety-seven million, seventy-one thousand, five hundred twenty".