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2101206124131 = 317101407921981
BaseRepresentation
bin11110100100111001101…
…001010000011001100011
321102212120200000122110220
4132210321221100121203
5233411232231433011
64245140351254123
7304543563236322
oct36447151203143
97385520018426
102101206124131
11740131095894
1229b28981a343
131231b1c0091a
14739adb960b9
15399cd062506
hex1e939a50663

2101206124131 has 16 divisors (see below), whose sum is σ = 2995779035808. Its totient is φ = 1305350336000.

The previous prime is 2101206124109. The next prime is 2101206124141. The reversal of 2101206124131 is 1314216021012.

It is a cyclic number.

It is not a de Polignac number, because 2101206124131 - 25 = 2101206124099 is a prime.

It is a super-2 number, since 2×21012061241312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101206124141) 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, 203955840 + ... + 203966141.

It is an arithmetic number, because the mean of its divisors is an integer number (187236189738).

Almost surely, 22101206124131 is an apocalyptic number.

2101206124131 is a deficient number, since it is larger than the sum of its proper divisors (894572911677).

2101206124131 is a wasteful number, since it uses less digits than its factorization.

2101206124131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407922102.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 2101206124131 in words is "two trillion, one hundred one billion, two hundred six million, one hundred twenty-four thousand, one hundred thirty-one".

Divisors: 1 3 17 51 101 303 1717 5151 407921981 1223765943 6934673677 20804021031 41200120081 123600360243 700402041377 2101206124131