Base | Representation |
---|---|
bin | 11100111101010001… |
… | …001001111000000000 |
3 | 2222020220100201000000 |
4 | 130331101021320000 |
5 | 1002134211200034 |
6 | 22141144000000 |
7 | 2150335255263 |
oct | 347521117000 |
9 | 88226321000 |
10 | 31092678144 |
11 | 12206008320 |
12 | 6038a60000 |
13 | 2c16881208 |
14 | 170d5dccda |
15 | c1ea15599 |
hex | 73d449e00 |
31092678144 has 280 divisors, whose sum is σ = 101625417432. Its totient is φ = 9420779520.
The previous prime is 31092678131. The next prime is 31092678167. The reversal of 31092678144 is 44187629013.
It is a self number, because there is not a number n which added to its sum of digits gives 31092678144.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4101942 + ... + 4109514.
Almost surely, 231092678144 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 31092678144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50812708716).
31092678144 is an abundant number, since it is smaller than the sum of its proper divisors (70532739288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31092678144 is an frugal number, since it uses more digits than its factorization.
31092678144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7620 (or 7589 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 31092678144 in words is "thirty-one billion, ninety-two million, six hundred seventy-eight thousand, one hundred forty-four".
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