Base | Representation |
---|---|
bin | 11101010001010011… |
… | …101001100110100110 |
3 | 10000010022222100201202 |
4 | 131101103221212212 |
5 | 1003331243023320 |
6 | 22234353522502 |
7 | 2161560021110 |
oct | 352123514646 |
9 | 100108870652 |
10 | 31428876710 |
11 | 12368866280 |
12 | 6111573432 |
13 | 2c6b41448a |
14 | 17421163b0 |
15 | c3e2c4b75 |
hex | 7514e99a6 |
31428876710 has 32 divisors (see below), whose sum is σ = 70531299072. Its totient is φ = 9796013280.
The previous prime is 31428876709. The next prime is 31428876761. The reversal of 31428876710 is 1767882413.
It is a happy number.
It is a Smith number, since the sum of its digits (47) 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 in 15 ways as a sum of consecutive naturals, for example, 20407592 + ... + 20409131.
It is an arithmetic number, because the mean of its divisors is an integer number (2204103096).
Almost surely, 231428876710 is an apocalyptic number.
31428876710 is an abundant number, since it is smaller than the sum of its proper divisors (39102422362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31428876710 is a wasteful number, since it uses less digits than its factorization.
31428876710 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40816748.
The product of its (nonzero) digits is 451584, while the sum is 47.
The spelling of 31428876710 in words is "thirty-one billion, four hundred twenty-eight million, eight hundred seventy-six thousand, seven hundred ten".
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