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2131412373 = 3486330491
BaseRepresentation
bin111111100001010…
…1100010110010101
312111112121222010000
41333002230112111
513331120143443
6551255321513
7103550464146
oct17702542625
95445558100
102131412373
119a4143732
124b5980299
1327c76896c
14163105acd
15c71be8d3
hex7f0ac595

2131412373 has 20 divisors (see below), whose sum is σ = 3187755648. Its totient is φ = 1419248520.

The previous prime is 2131412341. The next prime is 2131412389. The reversal of 2131412373 is 3732141312.

It is a happy number.

2131412373 is a `hidden beast` number, since 213 + 1 + 412 + 37 + 3 = 666.

It is not a de Polignac number, because 2131412373 - 25 = 2131412341 is a prime.

It is a super-2 number, since 2×21314123732 = 9085837407554982258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131412273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54658 + ... + 85148.

Almost surely, 22131412373 is an apocalyptic number.

It is an amenable number.

2131412373 is a deficient number, since it is larger than the sum of its proper divisors (1056343275).

2131412373 is an equidigital number, since it uses as much as digits as its factorization.

2131412373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31366 (or 31357 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 2131412373 is about 46167.2218462407. The cubic root of 2131412373 is about 1286.9326745227.

Adding to 2131412373 its reverse (3732141312), we get a palindrome (5863553685).

The spelling of 2131412373 in words is "two billion, one hundred thirty-one million, four hundred twelve thousand, three hundred seventy-three".

Divisors: 1 3 9 27 81 863 2589 7767 23301 30491 69903 91473 274419 823257 2469771 26313733 78941199 236823597 710470791 2131412373