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13911164591918 = 2114314705247983
BaseRepresentation
bin1100101001101111001000…
…0001100001111100101110
31211020220010222102122102012
43022123302001201330232
53310410031113420133
645330411212001222
72634022425010526
oct312336201417456
954226128378365
1013911164591918
114483767826760
1216880b0a60212
1379ba814a9719
143614380c4686
15191cdbe15b48
hexca6f2061f2e

13911164591918 has 16 divisors (see below), whose sum is σ = 23293112806656. Its totient is φ = 6176204152440.

The previous prime is 13911164591917. The next prime is 13911164591969. The reversal of 13911164591918 is 81919546111931.

13911164591918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13911164591917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7352623046 + ... + 7352624937.

It is an arithmetic number, because the mean of its divisors is an integer number (1455819550416).

Almost surely, 213911164591918 is an apocalyptic number.

13911164591918 is a deficient number, since it is larger than the sum of its proper divisors (9381948214738).

13911164591918 is a wasteful number, since it uses less digits than its factorization.

13911164591918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14705248039.

The product of its digits is 2099520, while the sum is 59.

The spelling of 13911164591918 in words is "thirteen trillion, nine hundred eleven billion, one hundred sixty-four million, five hundred ninety-one thousand, nine hundred eighteen".

Divisors: 1 2 11 22 43 86 473 946 14705247983 29410495966 161757727813 323515455626 632325663269 1264651326538 6955582295959 13911164591918