Base | Representation |
---|---|
bin | 11101001111100111… |
… | …111111100010011110 |
3 | 10000001100212112211110 |
4 | 131033213333202132 |
5 | 1003302031430011 |
6 | 22231505002450 |
7 | 2161065110100 |
oct | 351747774236 |
9 | 100040775743 |
10 | 31400655006 |
11 | 1235393a956 |
12 | 6104023426 |
13 | 2c65612a46 |
14 | 173c48b570 |
15 | c3ba9cba6 |
hex | 74f9ff89e |
31400655006 has 24 divisors (see below), whose sum is σ = 73054585800. Its totient is φ = 8971615632.
The previous prime is 31400654993. The next prime is 31400655043. The reversal of 31400655006 is 60055600413.
It is a super-2 number, since 2×314006550062 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53402181 + ... + 53402768.
It is an arithmetic number, because the mean of its divisors is an integer number (3043941075).
Almost surely, 231400655006 is an apocalyptic number.
31400655006 is an abundant number, since it is smaller than the sum of its proper divisors (41653930794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31400655006 is a wasteful number, since it uses less digits than its factorization.
31400655006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106804968 (or 106804961 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 30.
The spelling of 31400655006 in words is "thirty-one billion, four hundred million, six hundred fifty-five thousand, six".
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