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2131400324 = 221912789791
BaseRepresentation
bin111111100001010…
…1001011010000100
312111112121100120202
41333002221122010
513331114302244
6551255150032
7103550414054
oct17702513204
95445540522
102131400324
119a4135679
124b5975318
1327c763331
14163101564
15c71bb04e
hex7f0a9684

2131400324 has 12 divisors (see below), whose sum is σ = 3749480448. Its totient is φ = 1060120200.

The previous prime is 2131400251. The next prime is 2131400339. The reversal of 2131400324 is 4230041312.

It is a super-2 number, since 2×21314003242 = 9085734682294609952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131400296 and 2131400305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394132 + ... + 1395659.

It is an arithmetic number, because the mean of its divisors is an integer number (312456704).

Almost surely, 22131400324 is an apocalyptic number.

It is an amenable number.

2131400324 is a deficient number, since it is larger than the sum of its proper divisors (1618080124).

2131400324 is a wasteful number, since it uses less digits than its factorization.

2131400324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789986 (or 2789984 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2131400324 is about 46167.0913530406. The cubic root of 2131400324 is about 1286.9302494827.

Adding to 2131400324 its reverse (4230041312), we get a palindrome (6361441636).

The spelling of 2131400324 in words is "two billion, one hundred thirty-one million, four hundred thousand, three hundred twenty-four".

Divisors: 1 2 4 191 382 764 2789791 5579582 11159164 532850081 1065700162 2131400324