Base | Representation |
---|---|
bin | 10010111011011001… |
… | …01110010011111001 |
3 | 222020012111000122020 |
4 | 21131230232103321 |
5 | 131302424032310 |
6 | 4400205345053 |
7 | 506552030241 |
oct | 113554562371 |
9 | 28205430566 |
10 | 10161939705 |
11 | 4345171785 |
12 | 1b77268189 |
13 | c5c409a98 |
14 | 6c5878b21 |
15 | 3e71ea170 |
hex | 25db2e4f9 |
10161939705 has 16 divisors (see below), whose sum is σ = 16426725504. Its totient is φ = 5363827200.
The previous prime is 10161939691. The next prime is 10161939707. The reversal of 10161939705 is 50793916101.
It is not a de Polignac number, because 10161939705 - 25 = 10161939673 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10161939707) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3490621 + ... + 3493530.
It is an arithmetic number, because the mean of its divisors is an integer number (1026670344).
Almost surely, 210161939705 is an apocalyptic number.
10161939705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10161939705 is a deficient number, since it is larger than the sum of its proper divisors (6264785799).
10161939705 is an equidigital number, since it uses as much as digits as its factorization.
10161939705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6984256.
The product of its (nonzero) digits is 51030, while the sum is 42.
The spelling of 10161939705 in words is "ten billion, one hundred sixty-one million, nine hundred thirty-nine thousand, seven hundred five".
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