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5657080128 = 26371131932
BaseRepresentation
bin1010100010011000…
…00011000101000000
3112121020210110001020
411101030003011000
543041203031003
62333202505440
7260121246660
oct52114030500
915536713036
105657080128
112443302037
12111a665280
136c20213bb
143b94661a0
1523199bd53
hex151303140

5657080128 has 168 divisors, whose sum is σ = 17347192128. Its totient is φ = 1593704448.

The previous prime is 5657080087. The next prime is 5657080151. The reversal of 5657080128 is 8210807565.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×56570801282 = 64005111149224992768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 5657080128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29311200 + ... + 29311392.

It is an arithmetic number, because the mean of its divisors is an integer number (103257096).

Almost surely, 25657080128 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 5657080128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8673596064).

5657080128 is an abundant number, since it is smaller than the sum of its proper divisors (11690112000).

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

5657080128 is a wasteful number, since it uses less digits than its factorization.

5657080128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 5657080128 is about 75213.5634576637. The cubic root of 5657080128 is about 1781.8211517222.

The spelling of 5657080128 in words is "five billion, six hundred fifty-seven million, eighty thousand, one hundred twenty-eight".