Base | Representation |
---|---|
bin | 11101001001101101… |
… | …000110110001000000 |
3 | 2222210102222102022210 |
4 | 131021231012301000 |
5 | 1003101120111112 |
6 | 22214000102120 |
7 | 2155450634535 |
oct | 351155066100 |
9 | 88712872283 |
10 | 31301332032 |
11 | 12302871053 |
12 | 6096904940 |
13 | 2c4ab78459 |
14 | 172d1d4d8c |
15 | c32ecdb3c |
hex | 749b46c40 |
31301332032 has 56 divisors (see below), whose sum is σ = 87176965600. Its totient is φ = 9884630016.
The previous prime is 31301332031. The next prime is 31301332061. The reversal of 31301332032 is 23023310313.
It is not an unprimeable number, because it can be changed into a prime (31301332031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4286557 + ... + 4293852.
Almost surely, 231301332032 is an apocalyptic number.
31301332032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
31301332032 is an abundant number, since it is smaller than the sum of its proper divisors (55875633568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31301332032 is a wasteful number, since it uses less digits than its factorization.
31301332032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8580443 (or 8580433 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 31301332032 its reverse (23023310313), we get a palindrome (54324642345).
The spelling of 31301332032 in words is "thirty-one billion, three hundred one million, three hundred thirty-two thousand, thirty-two".
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