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872424157071 = 31723373417837
BaseRepresentation
bin11001011001000001000…
…10000010111110001111
310002101212201222010012110
430230200202002332033
5103243211041011241
61504441445235103
7120013324660005
oct14544042027617
93071781863173
10872424157071
11306aa1768965
121210b9102a93
13643666ba29c
1430322cc8a75
1517a6164b816
hexcb20882f8f

872424157071 has 16 divisors (see below), whose sum is σ = 1236943734624. Its totient is φ = 545054014464.

The previous prime is 872424157069. The next prime is 872424157097. The reversal of 872424157071 is 170751424278.

It is not a de Polignac number, because 872424157071 - 21 = 872424157069 is a prime.

It is a super-2 number, since 2×8724241570712 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 872424157071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872424157771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36697036 + ... + 36720801.

It is an arithmetic number, because the mean of its divisors is an integer number (77308983414).

Almost surely, 2872424157071 is an apocalyptic number.

872424157071 is a deficient number, since it is larger than the sum of its proper divisors (364519577553).

872424157071 is a wasteful number, since it uses less digits than its factorization.

872424157071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73418090.

The product of its (nonzero) digits is 878080, while the sum is 48.

The spelling of 872424157071 in words is "eight hundred seventy-two billion, four hundred twenty-four million, one hundred fifty-seven thousand, seventy-one".

Divisors: 1 3 17 51 233 699 3961 11883 73417837 220253511 1248103229 3744309687 17106356021 51319068063 290808052357 872424157071