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116172261288 = 2334179278181
BaseRepresentation
bin110110000110001101…
…0000000011110101000
3102002212020121100010000
41230030122000132220
53400410044330123
6125211354423000
711251566633216
oct1541432003650
9362766540100
10116172261288
11452a52383a6
121a621a31a60
13ac5518a315
1458a0c33cb6
15304de0ab43
hex1b0c6807a8

116172261288 has 40 divisors (see below), whose sum is σ = 325389900330. Its totient is φ = 38724086880.

The previous prime is 116172261281. The next prime is 116172261347. The reversal of 116172261288 is 882162271611.

116172261288 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 7 + 22 + 612 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115258892004 + 913369284 = 339498^2 + 30222^2 .

It is not an unprimeable number, because it can be changed into a prime (116172261281) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 89638443 + ... + 89639738.

Almost surely, 2116172261288 is an apocalyptic number.

116172261288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

116172261288 is an abundant number, since it is smaller than the sum of its proper divisors (209217639042).

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

116172261288 is a wasteful number, since it uses less digits than its factorization.

116172261288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179278199 (or 179278186 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The spelling of 116172261288 in words is "one hundred sixteen billion, one hundred seventy-two million, two hundred sixty-one thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 179278181 358556362 537834543 717112724 1075669086 1434225448 1613503629 2151338172 3227007258 4302676344 4840510887 6454014516 9681021774 12908029032 14521532661 19362043548 29043065322 38724087096 58086130644 116172261288