Base | Representation |
---|---|
bin | 101100010110110110… |
… | …100111101100100101 |
3 | 11112221021121000001020 |
4 | 230112312213230211 |
5 | 1240020240314011 |
6 | 33514030321353 |
7 | 3304160544102 |
oct | 542666475445 |
9 | 145837530036 |
10 | 47628057381 |
11 | 192208844a3 |
12 | 9292659259 |
13 | 4650528a98 |
14 | 243b6d5aa9 |
15 | 138b512006 |
hex | b16da7b25 |
47628057381 has 12 divisors (see below), whose sum is σ = 64858756032. Its totient is φ = 31074772104.
The previous prime is 47628057377. The next prime is 47628057383. The reversal of 47628057381 is 18375082674.
It is not a de Polignac number, because 47628057381 - 22 = 47628057377 is a prime.
It is a super-2 number, since 2×476280573812 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47628057383) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2582250 + ... + 2600628.
It is an arithmetic number, because the mean of its divisors is an integer number (5404896336).
Almost surely, 247628057381 is an apocalyptic number.
It is an amenable number.
47628057381 is a deficient number, since it is larger than the sum of its proper divisors (17230698651).
47628057381 is an frugal number, since it uses more digits than its factorization.
47628057381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36808 (or 18429 counting only the distinct ones).
The product of its (nonzero) digits is 2257920, while the sum is 51.
The spelling of 47628057381 in words is "forty-seven billion, six hundred twenty-eight million, fifty-seven thousand, three hundred eighty-one".
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