Base | Representation |
---|---|
bin | 11101001101111110… |
… | …101100001010111010 |
3 | 2222222102221002122100 |
4 | 131031332230022322 |
5 | 1003223000104204 |
6 | 22225041204230 |
7 | 2160311346456 |
oct | 351576541272 |
9 | 88872832570 |
10 | 31373050554 |
11 | 1233a2a625a |
12 | 60b6930676 |
13 | 2c5c999251 |
14 | 1738943666 |
15 | c39448a39 |
hex | 74dfac2ba |
31373050554 has 48 divisors (see below), whose sum is σ = 72782222760. Its totient is φ = 9731927040.
The previous prime is 31373050523. The next prime is 31373050573. The reversal of 31373050554 is 45505037313.
31373050554 is a `hidden beast` number, since 31 + 3 + 73 + 0 + 5 + 0 + 554 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 30805515225 + 567535329 = 175515^2 + 23823^2 .
It is a super-4 number, since 4×313730505544 (a number of 43 digits) contains 4444 as substring.
It is a Curzon 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, 548757 + ... + 603224.
Almost surely, 231373050554 is an apocalyptic number.
31373050554 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
31373050554 is an abundant number, since it is smaller than the sum of its proper divisors (41409172206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31373050554 is a wasteful number, since it uses less digits than its factorization.
31373050554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1152095 (or 1152092 counting only the distinct ones).
The product of its (nonzero) digits is 94500, while the sum is 36.
Adding to 31373050554 its reverse (45505037313), we get a palindrome (76878087867).
The spelling of 31373050554 in words is "thirty-one billion, three hundred seventy-three million, fifty thousand, five hundred fifty-four".
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