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113031161655 = 3531243077767
BaseRepresentation
bin110100101000100101…
…1101010011100110111
3101210202100001221110120
41221101023222130313
53322441434133110
6123531550023023
711111006010306
oct1512113523467
9353670057416
10113031161655
1143a33164795
1219aa5aa7a73
13a8744a2099
1456839bc43d
152e18294870
hex1a512ea737

113031161655 has 16 divisors (see below), whose sum is σ = 186683725824. Its totient is φ = 58338663840.

The previous prime is 113031161609. The next prime is 113031161693. The reversal of 113031161655 is 556161130311.

It is not a de Polignac number, because 113031161655 - 211 = 113031159607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121538419 + ... + 121539348.

It is an arithmetic number, because the mean of its divisors is an integer number (11667732864).

Almost surely, 2113031161655 is an apocalyptic number.

113031161655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113031161655 is a deficient number, since it is larger than the sum of its proper divisors (73652564169).

113031161655 is a wasteful number, since it uses less digits than its factorization.

113031161655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243077806.

The product of its (nonzero) digits is 8100, while the sum is 33.

Adding to 113031161655 its reverse (556161130311), we get a palindrome (669192291966).

The spelling of 113031161655 in words is "one hundred thirteen billion, thirty-one million, one hundred sixty-one thousand, six hundred fifty-five".

Divisors: 1 3 5 15 31 93 155 465 243077767 729233301 1215388835 3646166505 7535410777 22606232331 37677053885 113031161655