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52071625980 = 22345112939973
BaseRepresentation
bin110000011111101101…
…011111010011111100
311222101221221200020000
4300133231133103330
51323120314012410
635531003354300
73522245342433
oct603755372374
9158357850200
1052071625980
11200a1091340
12a112822990
134bab004a0a
14273d91211a
15154b6a4dc0
hexc1fb5f4fc

52071625980 has 240 divisors, whose sum is σ = 178826798304. Its totient is φ = 12579079680.

The previous prime is 52071625943. The next prime is 52071625999. The reversal of 52071625980 is 8952617025.

52071625980 is a `hidden beast` number, since 52 + 0 + 7 + 1 + 6 + 2 + 598 + 0 = 666.

It is a super-2 number, since 2×520716259802 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 5216274 + ... + 5226246.

Almost surely, 252071625980 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 52071625980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89413399152).

52071625980 is an abundant number, since it is smaller than the sum of its proper divisors (126755172324).

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

52071625980 is a wasteful number, since it uses less digits than its factorization.

52071625980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298 (or 10287 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 52071625980 in words is "fifty-two billion, seventy-one million, six hundred twenty-five thousand, nine hundred eighty".