Base | Representation |
---|---|
bin | 11100111101011010… |
… | …101111101010001000 |
3 | 2222021002002102122012 |
4 | 130331122233222020 |
5 | 1002140332122300 |
6 | 22141313515052 |
7 | 2150365526012 |
oct | 347532575210 |
9 | 88232072565 |
10 | 31095192200 |
11 | 12207475156 |
12 | 6039872a88 |
13 | 2c17251617 |
14 | 170da951b2 |
15 | c1ed60435 |
hex | 73d6afa88 |
31095192200 has 108 divisors (see below), whose sum is σ = 74524224285. Its totient is φ = 12066001920.
The previous prime is 31095192181. The next prime is 31095192221. The reversal of 31095192200 is 229159013.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 14 ways, for example, as 169156036 + 30926036164 = 13006^2 + 175858^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=124690.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 92270432 + ... + 92270768.
Almost surely, 231095192200 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31095192200
31095192200 is an abundant number, since it is smaller than the sum of its proper divisors (43429032085).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31095192200 is an equidigital number, since it uses as much as digits as its factorization.
31095192200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 764 (or 381 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 32.
Multiplying 31095192200 by its sum of digits (32), we get a square (995046150400 = 9975202).
The spelling of 31095192200 in words is "thirty-one billion, ninety-five million, one hundred ninety-two thousand, two hundred".
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