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117990881201 = 1961733313883
BaseRepresentation
bin110110111100011001…
…1011111011110110001
3102021112222122210122002
41231320303133132301
53413121131144301
6130112042023345
711344631641124
oct1557063373661
9367488583562
10117990881201
114604885a466
121aa4aaa7b55
13b184b9958b
1459d45963bb
1531088e116b
hex1b78cdf7b1

117990881201 has 16 divisors (see below), whose sum is σ = 126263317440. Its totient is φ = 109925449920.

The previous prime is 117990881191. The next prime is 117990881209. The reversal of 117990881201 is 102188099711.

It is a cyclic number.

It is not a de Polignac number, because 117990881201 - 222 = 117986686897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117990881209) 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, 8492006 + ... + 8505888.

It is an arithmetic number, because the mean of its divisors is an integer number (7891457340).

Almost surely, 2117990881201 is an apocalyptic number.

It is an amenable number.

117990881201 is a deficient number, since it is larger than the sum of its proper divisors (8272436239).

117990881201 is a wasteful number, since it uses less digits than its factorization.

117990881201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21296.

The product of its (nonzero) digits is 72576, while the sum is 47.

The spelling of 117990881201 in words is "one hundred seventeen billion, nine hundred ninety million, eight hundred eighty-one thousand, two hundred one".

Divisors: 1 19 61 1159 7333 13883 139327 263777 447313 846863 8498947 16090397 101804039 1934276741 6210046379 117990881201