Base | Representation |
---|---|
bin | 11001110101110001… |
… | …10011101111010110 |
3 | 1022210211020221022010 |
4 | 30322320303233112 |
5 | 211402423404111 |
6 | 10212331445050 |
7 | 1000532320101 |
oct | 147270635726 |
9 | 38724227263 |
10 | 13872872406 |
11 | 5979969408 |
12 | 2831bb6786 |
13 | 140118a953 |
14 | 958663738 |
15 | 562dc0aa6 |
hex | 33ae33bd6 |
13872872406 has 64 divisors (see below), whose sum is σ = 30049201152. Its totient is φ = 4253102592.
The previous prime is 13872872393. The next prime is 13872872443. The reversal of 13872872406 is 60427827831.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3771040 + ... + 3774716.
It is an arithmetic number, because the mean of its divisors is an integer number (469518768).
Almost surely, 213872872406 is an apocalyptic number.
13872872406 is an abundant number, since it is smaller than the sum of its proper divisors (16176328746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13872872406 is a wasteful number, since it uses less digits than its factorization.
13872872406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4533.
The product of its (nonzero) digits is 903168, while the sum is 48.
It can be divided in two parts, 13872872 and 406, that added together give a triangular number (13873278 = T5267).
The spelling of 13872872406 in words is "thirteen billion, eight hundred seventy-two million, eight hundred seventy-two thousand, four hundred six".
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