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116721248631 = 31323705718439
BaseRepresentation
bin110110010110100100…
…0001110100101110111
3102011021111121210011120
41230231020032211313
53403021114424011
6125342045235023
711301314146341
oct1545510164567
9364244553146
10116721248631
1145557113749
121a755862a73
13b011b348c0
145913adc291
1530821eda06
hex1b2d20e977

116721248631 has 32 divisors (see below), whose sum is σ = 174920954880. Its totient is φ = 68692022784.

The previous prime is 116721248621. The next prime is 116721248659. The reversal of 116721248631 is 136842127611.

It is not a de Polignac number, because 116721248631 - 222 = 116717054327 is a prime.

It is a super-2 number, since 2×1167212486312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116721248621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6320910 + ... + 6339348.

It is an arithmetic number, because the mean of its divisors is an integer number (5466279840).

Almost surely, 2116721248631 is an apocalyptic number.

116721248631 is a deficient number, since it is larger than the sum of its proper divisors (58199706249).

116721248631 is a wasteful number, since it uses less digits than its factorization.

116721248631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25535.

The product of its digits is 96768, while the sum is 42.

The spelling of 116721248631 in words is "one hundred sixteen billion, seven hundred twenty-one million, two hundred forty-eight thousand, six hundred thirty-one".

Divisors: 1 3 13 23 39 69 299 897 7057 18439 21171 55317 91741 162311 239707 275223 424097 486933 719121 1272291 2110043 5513261 6330129 16539783 130124023 390372069 1691612299 2992852529 5074836897 8978557587 38907082877 116721248631