Base | Representation |
---|---|
bin | 11100100111111011… |
… | …111111011101110111 |
3 | 2221022221222001202110 |
4 | 130213323333131313 |
5 | 1000421102341301 |
6 | 22041441342103 |
7 | 2135431365000 |
oct | 344773773567 |
9 | 87287861673 |
10 | 30734808951 |
11 | 12041aa8960 |
12 | 5b59037933 |
13 | 2b8a6a12b2 |
14 | 16b7c841a7 |
15 | bed3c50d6 |
hex | 727eff777 |
30734808951 has 32 divisors (see below), whose sum is σ = 52134336000. Its totient is φ = 15966128640.
The previous prime is 30734808941. The next prime is 30734808959. The reversal of 30734808951 is 15980843703.
It is not a de Polignac number, because 30734808951 - 29 = 30734808439 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30734808951.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30734808959) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1346346 + ... + 1368983.
It is an arithmetic number, because the mean of its divisors is an integer number (1629198000).
Almost surely, 230734808951 is an apocalyptic number.
30734808951 is a deficient number, since it is larger than the sum of its proper divisors (21399527049).
30734808951 is a wasteful number, since it uses less digits than its factorization.
30734808951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2715364 (or 2715350 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 48.
The spelling of 30734808951 in words is "thirty billion, seven hundred thirty-four million, eight hundred eight thousand, nine hundred fifty-one".
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