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2972725056 = 26337534637
BaseRepresentation
bin1011000100110000…
…0010111101000000
321200011201002011000
42301030002331000
522042004200211
61210551452000
7133444513620
oct26114027500
97604632130
102972725056
111296031374
126ab687000
13384b54a12
14202b46880
15125ea7656
hexb1302f40

2972725056 has 224 divisors, whose sum is σ = 10178369280. Its totient is φ = 833144832.

The previous prime is 2972725033. The next prime is 2972725061. The reversal of 2972725056 is 6505272792.

2972725056 is a `hidden beast` number, since 2 + 9 + 72 + 72 + 505 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638770 + ... + 643406.

Almost surely, 22972725056 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 2972725056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5089184640).

2972725056 is an abundant number, since it is smaller than the sum of its proper divisors (7205644224).

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

2972725056 is a wasteful number, since it uses less digits than its factorization.

2972725056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718 (or 4702 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 2972725056 is about 54522.7022074292. The cubic root of 2972725056 is about 1437.8654485705.

The spelling of 2972725056 in words is "two billion, nine hundred seventy-two million, seven hundred twenty-five thousand, fifty-six".