Base | Representation |
---|---|
bin | 11101000110101001… |
… | …010011011000010000 |
3 | 2222122212101122210000 |
4 | 131012221103120100 |
5 | 1003000000102342 |
6 | 22204524010000 |
7 | 2154255434562 |
oct | 350651233020 |
9 | 88585348700 |
10 | 31250003472 |
11 | 122868a3156 |
12 | 6081690900 |
13 | 2c4034641c |
14 | 1726473332 |
15 | c2d74044c |
hex | 746a53610 |
31250003472 has 50 divisors (see below), whose sum is σ = 90446580158. Its totient is φ = 10416667392.
The previous prime is 31250003467. The next prime is 31250003501. The reversal of 31250003472 is 27430005213.
31250003472 is a `hidden beast` number, since 312 + 5 + 0 + 0 + 0 + 347 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 27375687936 + 3874315536 = 165456^2 + 62244^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12055033 + ... + 12057624.
Almost surely, 231250003472 is an apocalyptic number.
It is an amenable number.
31250003472 is an abundant number, since it is smaller than the sum of its proper divisors (59196576686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31250003472 is a wasteful number, since it uses less digits than its factorization.
31250003472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24112677 (or 24112662 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
Adding to 31250003472 its reverse (27430005213), we get a palindrome (58680008685).
The spelling of 31250003472 in words is "thirty-one billion, two hundred fifty million, three thousand, four hundred seventy-two".
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