Base | Representation |
---|---|
bin | 11100110000001001… |
… | …110110111010010110 |
3 | 2221200120100201010010 |
4 | 130300021312322112 |
5 | 1001211400133104 |
6 | 22103244141050 |
7 | 2142024202632 |
oct | 346011667226 |
9 | 87616321103 |
10 | 30872661654 |
11 | 121028a370a |
12 | 5b97237786 |
13 | 2bb0109143 |
14 | 16cc2c9dc2 |
15 | c0a555489 |
hex | 730276e96 |
30872661654 has 8 divisors (see below), whose sum is σ = 61745323320. Its totient is φ = 10290887216.
The previous prime is 30872661647. The next prime is 30872661661. The reversal of 30872661654 is 45616627803.
It is an interprime number because it is at equal distance from previous prime (30872661647) and next prime (30872661661).
It is a sphenic number, since it is the product of 3 distinct primes.
30872661654 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572721799 + ... + 2572721810.
It is an arithmetic number, because the mean of its divisors is an integer number (7718165415).
Almost surely, 230872661654 is an apocalyptic number.
30872661654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30872661654 is a wasteful number, since it uses less digits than its factorization.
30872661654 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5145443614.
The product of its (nonzero) digits is 1451520, while the sum is 48.
The spelling of 30872661654 in words is "thirty billion, eight hundred seventy-two million, six hundred sixty-one thousand, six hundred fifty-four".
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