Base | Representation |
---|---|
bin | 11100101000111010… |
… | …010111000101100000 |
3 | 2221101002201201021220 |
4 | 130220322113011200 |
5 | 1000434244033444 |
6 | 22043224015040 |
7 | 2136020351454 |
oct | 345072270540 |
9 | 87332651256 |
10 | 30751158624 |
11 | 1205025568a |
12 | 5b62601480 |
13 | 2b90ba7064 |
14 | 16ba0dc664 |
15 | beea54619 |
hex | 728e97160 |
30751158624 has 48 divisors (see below), whose sum is σ = 81167814000. Its totient is φ = 10193748480.
The previous prime is 30751158583. The next prime is 30751158653. The reversal of 30751158624 is 42685115703.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867499 + ... + 902250.
It is an arithmetic number, because the mean of its divisors is an integer number (1690996125).
Almost surely, 230751158624 is an apocalyptic number.
It is an amenable number.
30751158624 is an abundant number, since it is smaller than the sum of its proper divisors (50416655376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30751158624 is a wasteful number, since it uses less digits than its factorization.
30751158624 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1769943 (or 1769935 counting only the distinct ones).
The product of its (nonzero) digits is 201600, while the sum is 42.
The spelling of 30751158624 in words is "thirty billion, seven hundred fifty-one million, one hundred fifty-eight thousand, six hundred twenty-four".
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