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712720311411 = 31657143375641
BaseRepresentation
bin10100101111100010111…
…00001110010001110011
32112010122201000011120210
422113301130032101303
543134122344431121
61303230313435203
7102330605455353
oct12276134162163
92463581004523
10712720311411
11255299042959
12b616870bb03
1352294902c24
14266d2866b63
1513815bad876
hexa5f170e473

712720311411 has 8 divisors (see below), whose sum is σ = 950867257744. Its totient is φ = 474860119680.

The previous prime is 712720311379. The next prime is 712720311431. The reversal of 712720311411 is 114113027217.

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

It is not a de Polignac number, because 712720311411 - 25 = 712720311379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712720311431) 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, 71682850 + ... + 71692791.

It is an arithmetic number, because the mean of its divisors is an integer number (118858407218).

Almost surely, 2712720311411 is an apocalyptic number.

712720311411 is a deficient number, since it is larger than the sum of its proper divisors (238146946333).

712720311411 is a wasteful number, since it uses less digits than its factorization.

712720311411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143377301.

The product of its (nonzero) digits is 2352, while the sum is 30.

Adding to 712720311411 its reverse (114113027217), we get a palindrome (826833338628).

The spelling of 712720311411 in words is "seven hundred twelve billion, seven hundred twenty million, three hundred eleven thousand, four hundred eleven".

Divisors: 1 3 1657 4971 143375641 430126923 237573437137 712720311411