Search a number
-
+
2137731608 = 231491793399
BaseRepresentation
bin111111101101011…
…0011001000011000
312111222112000110202
41333122303020120
513334224402413
6552043001332
7103655263445
oct17732631030
95458460422
102137731608
119a776a441
124b7b09248
13280b6c05c
14163cac9cc
15c7a1be58
hex7f6b3218

2137731608 has 16 divisors (see below), whose sum is σ = 4035150000. Its totient is φ = 1061691616.

The previous prime is 2137731587. The next prime is 2137731637. The reversal of 2137731608 is 8061377312.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 895508 + ... + 897891.

It is an arithmetic number, because the mean of its divisors is an integer number (252196875).

Almost surely, 22137731608 is an apocalyptic number.

It is an amenable number.

2137731608 is a deficient number, since it is larger than the sum of its proper divisors (1897418392).

2137731608 is a wasteful number, since it uses less digits than its factorization.

2137731608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793554 (or 1793550 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 2137731608 is about 46235.6097396801. The cubic root of 2137731608 is about 1288.2032570833.

The spelling of 2137731608 in words is "two billion, one hundred thirty-seven million, seven hundred thirty-one thousand, six hundred eight".

Divisors: 1 2 4 8 149 298 596 1192 1793399 3586798 7173596 14347192 267216451 534432902 1068865804 2137731608