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7152089831 = 83577149341
BaseRepresentation
bin1101010100100110…
…00011101011100111
3200110102220210210222
412222103003223213
5104121413333311
63141410034555
7342143521565
oct65223035347
920412823728
107152089831
113040193a47
121477278a5b
1389c987123
144bbc2aa35
152bcd5cadb
hex1aa4c3ae7

7152089831 has 8 divisors (see below), whose sum is σ = 7250852784. Its totient is φ = 7053626880.

The previous prime is 7152089807. The next prime is 7152089843. The reversal of 7152089831 is 1389802517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7152089831 - 210 = 7152088807 is a prime.

It is a super-2 number, since 2×71520898312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7152089851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26780 + ... + 122561.

It is an arithmetic number, because the mean of its divisors is an integer number (906356598).

Almost surely, 27152089831 is an apocalyptic number.

7152089831 is a deficient number, since it is larger than the sum of its proper divisors (98762953).

7152089831 is a wasteful number, since it uses less digits than its factorization.

7152089831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150001.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 7152089831 is about 84570.0291533591. The cubic root of 7152089831 is about 1926.6862006011.

The spelling of 7152089831 in words is "seven billion, one hundred fifty-two million, eighty-nine thousand, eight hundred thirty-one".

Divisors: 1 83 577 47891 149341 12395303 86169757 7152089831