Base | Representation |
---|---|
bin | 11101001101110000… |
… | …101001010110100100 |
3 | 2222222012000001111100 |
4 | 131031300221112210 |
5 | 1003221024301441 |
6 | 22224430240100 |
7 | 2160235144200 |
oct | 351560512644 |
9 | 88865001440 |
10 | 31369368996 |
11 | 12338211249 |
12 | 60b5656030 |
13 | 2c5bcaa604 |
14 | 1738265b00 |
15 | c38e6ccb6 |
hex | 74dc295a4 |
31369368996 has 81 divisors (see below), whose sum is σ = 92262761409. Its totient is φ = 8960551488.
The previous prime is 31369368931. The next prime is 31369369013. The reversal of 31369368996 is 69986396313.
The square root of 31369368996 is 177114.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 27872302500 + 3497066496 = 166950^2 + 59136^2 .
It is a super-2 number, since 2×313693689962 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7436680 + ... + 7440896.
Almost surely, 231369368996 is an apocalyptic number.
31369368996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
31369368996 is the 177114-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31369368996
31369368996 is an abundant number, since it is smaller than the sum of its proper divisors (60893392413).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31369368996 is an equidigital number, since it uses as much as digits as its factorization.
31369368996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8458 (or 4229 counting only the distinct ones).
The product of its digits is 34012224, while the sum is 63.
The spelling of 31369368996 in words is "thirty-one billion, three hundred sixty-nine million, three hundred sixty-eight thousand, nine hundred ninety-six".
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