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2105992879462 = 217193260050897
BaseRepresentation
bin11110101001010110111…
…101010001110101100110
321110022221021011000100101
4132221112331101311212
5234001033134120322
64251251344134314
7305103316054243
oct36512675216546
97408837130311
102105992879462
11742168093a2a
122a01a490739a
13123795818824
1473d057c85ca
1539bad3e5327
hex1ea56f51d66

2105992879462 has 16 divisors (see below), whose sum is σ = 3520854969840. Its totient is φ = 938894658048.

The previous prime is 2105992879457. The next prime is 2105992879477. The reversal of 2105992879462 is 2649782995012.

It is a happy number.

It is a super-4 number, since 4×21059928794624 (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2105992879394 and 2105992879403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630024803 + ... + 1630026094.

It is an arithmetic number, because the mean of its divisors is an integer number (220053435615).

Almost surely, 22105992879462 is an apocalyptic number.

2105992879462 is a deficient number, since it is larger than the sum of its proper divisors (1414862090378).

2105992879462 is a wasteful number, since it uses less digits than its factorization.

2105992879462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260050935.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 2105992879462 in words is "two trillion, one hundred five billion, nine hundred ninety-two million, eight hundred seventy-nine thousand, four hundred sixty-two".

Divisors: 1 2 17 19 34 38 323 646 3260050897 6520101794 55420865249 61940967043 110841730498 123881934086 1052996439731 2105992879462