Search a number
-
+
31408470094 = 215704235047
BaseRepresentation
bin11101010000000101…
…110011100001001110
310000001220120121010011
4131100011303201032
51003311032020334
622232344303434
72161221406441
oct352005634116
9100056517104
1031408470094
1112358298501
126106771b7a
132c6711ac61
14173d523658
15c3c5e3564
hex75017384e

31408470094 has 4 divisors (see below), whose sum is σ = 47112705144. Its totient is φ = 15704235046.

The previous prime is 31408470089. The next prime is 31408470113. The reversal of 31408470094 is 49007480413.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7852117522 + ... + 7852117525.

It is an arithmetic number, because the mean of its divisors is an integer number (11778176286).

Almost surely, 231408470094 is an apocalyptic number.

31408470094 is a deficient number, since it is larger than the sum of its proper divisors (15704235050).

31408470094 is a wasteful number, since it uses less digits than its factorization.

31408470094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15704235049.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 31408470094 in words is "thirty-one billion, four hundred eight million, four hundred seventy thousand, ninety-four".

Divisors: 1 2 15704235047 31408470094