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3157038080 = 21057591493
BaseRepresentation
bin1011110000101100…
…1001010000000000
322011000112011002022
42330023021100000
522431200204310
61241134141012
7141143244440
oct27413112000
98130464068
103157038080
11138007a489
12741351768
133b40a8a91
1421d404120
15137263a55
hexbc2c9400

3157038080 has 176 divisors, whose sum is σ = 8807667840. Its totient is φ = 1063354368.

The previous prime is 3157038067. The next prime is 3157038133. The reversal of 3157038080 is 808307513.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3157038080.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2113814 + ... + 2115306.

Almost surely, 23157038080 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 3157038080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4403833920).

3157038080 is an abundant number, since it is smaller than the sum of its proper divisors (5650629760).

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

3157038080 is a wasteful number, since it uses less digits than its factorization.

3157038080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 3157038080 is about 56187.5260177915. The cubic root of 3157038080 is about 1466.9881535851.

The spelling of 3157038080 in words is "three billion, one hundred fifty-seven million, thirty-eight thousand, eighty".