Base | Representation |
---|---|
bin | 11100011110001111… |
… | …011000100011010101 |
3 | 2220220121211121212000 |
4 | 130132033120203111 |
5 | 1000102430322102 |
6 | 22013350345513 |
7 | 2131414506666 |
oct | 343617304325 |
9 | 86817747760 |
10 | 30572120277 |
11 | 11a6918a506 |
12 | 5b1265b299 |
13 | 2b62a7baca |
14 | 16a041536d |
15 | bdde8b01c |
hex | 71e3d88d5 |
30572120277 has 32 divisors (see below), whose sum is σ = 46535894400. Its totient is φ = 19822143744.
The previous prime is 30572120171. The next prime is 30572120291. The reversal of 30572120277 is 77202127503.
30572120277 is a `hidden beast` number, since 3 + 0 + 572 + 12 + 0 + 2 + 77 = 666.
It is not a de Polignac number, because 30572120277 - 27 = 30572120149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30572120377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3080958 + ... + 3090864.
It is an arithmetic number, because the mean of its divisors is an integer number (1454246700).
Almost surely, 230572120277 is an apocalyptic number.
30572120277 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
It is an amenable number.
30572120277 is a deficient number, since it is larger than the sum of its proper divisors (15963774123).
30572120277 is a wasteful number, since it uses less digits than its factorization.
30572120277 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13042 (or 13036 counting only the distinct ones).
The product of its (nonzero) digits is 41160, while the sum is 36.
The spelling of 30572120277 in words is "thirty billion, five hundred seventy-two million, one hundred twenty thousand, two hundred seventy-seven".
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