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72105614113 = 1325138357697
BaseRepresentation
bin100001100100111010…
…1000101101100100001
320220010011102201102111
41003021311011230201
52140133014122423
653042545315321
75131562415211
oct1031165055441
9226104381374
1072105614113
1128641815125
1211b84035b41
136a5174c970
1436c0524241
151d203d660d
hex10c9d45b21

72105614113 has 16 divisors (see below), whose sum is σ = 78166480896. Its totient is φ = 66119616000.

The previous prime is 72105614093. The next prime is 72105614183. The reversal of 72105614113 is 31141650127.

It is a cyclic number.

It is not a de Polignac number, because 72105614113 - 213 = 72105605921 is a prime.

It is a super-2 number, since 2×721056141132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72105614183) 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, 1220881 + ... + 1278577.

It is an arithmetic number, because the mean of its divisors is an integer number (4885405056).

Almost surely, 272105614113 is an apocalyptic number.

It is an amenable number.

72105614113 is a deficient number, since it is larger than the sum of its proper divisors (6060866783).

72105614113 is a wasteful number, since it uses less digits than its factorization.

72105614113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58344.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 72105614113 in words is "seventy-two billion, one hundred five million, six hundred fourteen thousand, one hundred thirteen".

Divisors: 1 13 251 383 3263 4979 57697 96133 750061 1249729 14481947 22097951 188265311 287273363 5546585701 72105614113