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117545454901 = 71271793791949
BaseRepresentation
bin110110101111001000…
…0010100110100110101
3102020101221111210121201
41231132100110310311
53411213114024101
6125555531012501
711330612611150
oct1553620246465
9366357453551
10117545454901
114593a388056
121a94589a131
13b113811614
145991368c97
1530ce757e01
hex1b5e414d35

117545454901 has 32 divisors (see below), whose sum is σ = 136581120000. Its totient is φ = 99088339392.

The previous prime is 117545454899. The next prime is 117545454907. The reversal of 117545454901 is 109454545711.

It is not a de Polignac number, because 117545454901 - 21 = 117545454899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117545454907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60309675 + ... + 60311623.

It is an arithmetic number, because the mean of its divisors is an integer number (4268160000).

Almost surely, 2117545454901 is an apocalyptic number.

It is an amenable number.

117545454901 is a deficient number, since it is larger than the sum of its proper divisors (19035665099).

117545454901 is a wasteful number, since it uses less digits than its factorization.

117545454901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 117545454901 in words is "one hundred seventeen billion, five hundred forty-five million, four hundred fifty-four thousand, nine hundred one".

Divisors: 1 7 127 179 379 889 1253 1949 2653 13643 22733 48133 67841 159131 247523 336931 348871 474887 738671 1732661 2442097 5170697 8615807 44306617 60310649 93811217 132222109 310146319 656678519 925554763 16792207843 117545454901