Base | Representation |
---|---|
bin | 11101010101011000… |
… | …011100000000100110 |
3 | 10000022002121121101012 |
4 | 131111120130000212 |
5 | 1004001243144424 |
6 | 22245235102222 |
7 | 2163350061560 |
oct | 352530340046 |
9 | 100262547335 |
10 | 31497240614 |
11 | 123a340a074 |
12 | 6130441972 |
13 | 2c7c62c3a8 |
14 | 174b230330 |
15 | c452cab0e |
hex | 75561c026 |
31497240614 has 48 divisors (see below), whose sum is σ = 57158887968. Its totient is φ = 12749716224.
The previous prime is 31497240583. The next prime is 31497240631. The reversal of 31497240614 is 41604279413.
It is a super-2 number, since 2×314972406142 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1693952 + ... + 1712444.
It is an arithmetic number, because the mean of its divisors is an integer number (1190810166).
Almost surely, 231497240614 is an apocalyptic number.
31497240614 is a deficient number, since it is larger than the sum of its proper divisors (25661647354).
31497240614 is a wasteful number, since it uses less digits than its factorization.
31497240614 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18877 (or 18858 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 41.
The spelling of 31497240614 in words is "thirty-one billion, four hundred ninety-seven million, two hundred forty thousand, six hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •