Base | Representation |
---|---|
bin | 11100111100011001… |
… | …011000110100000000 |
3 | 2222012212211222200000 |
4 | 130330121120310000 |
5 | 1002121440344024 |
6 | 22135502400000 |
7 | 2150100100530 |
oct | 347431306400 |
9 | 88185758600 |
10 | 31078059264 |
11 | 121a88329aa |
12 | 6033b90000 |
13 | 2c138331a5 |
14 | 170b6b54c0 |
15 | c1d5c8cc9 |
hex | 73c658d00 |
31078059264 has 864 divisors, whose sum is σ = 115709368320. Its totient is φ = 8123867136.
The previous prime is 31078059263. The next prime is 31078059301. The reversal of 31078059264 is 46295087013.
31078059264 is a `hidden beast` number, since 310 + 78 + 0 + 5 + 9 + 264 = 666.
It is a tau number, because it is divible by the number of its divisors (864).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31078059263) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 290449099 + ... + 290449205.
It is an arithmetic number, because the mean of its divisors is an integer number (133922880).
It is a 1-persistent number, because it is pandigital, but 2⋅31078059264 = 62156118528 is not.
Almost surely, 231078059264 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 31078059264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57854684160).
31078059264 is an abundant number, since it is smaller than the sum of its proper divisors (84631309056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31078059264 is a wasteful number, since it uses less digits than its factorization.
31078059264 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197 (or 171 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 31078059264 in words is "thirty-one billion, seventy-eight million, fifty-nine thousand, two hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •