Base | Representation |
---|---|
bin | 111111110010100101… |
… | …1100011111000010110 |
3 | 111002120222222012010200 |
4 | 1333211023203320112 |
5 | 4221023140433230 |
6 | 142533141401330 |
7 | 12616500165201 |
oct | 1774513437026 |
9 | 432528865120 |
10 | 136988999190 |
11 | 5310779a71a |
12 | 22671409246 |
13 | cbc1b28504 |
14 | 68b77a0938 |
15 | 386b708160 |
hex | 1fe52e3e16 |
136988999190 has 48 divisors (see below), whose sum is σ = 356203184688. Its totient is φ = 36527139648.
The previous prime is 136988999183. The next prime is 136988999201. The reversal of 136988999190 is 91999889631.
136988999190 is a `hidden beast` number, since 1 + 369 + 8 + 8 + 99 + 91 + 90 = 666.
It is a super-2 number, since 2×1369889991902 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1047312 + ... + 1170828.
It is an arithmetic number, because the mean of its divisors is an integer number (7420899681).
Almost surely, 2136988999190 is an apocalyptic number.
136988999190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
136988999190 is an abundant number, since it is smaller than the sum of its proper divisors (219214185498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
136988999190 is a wasteful number, since it uses less digits than its factorization.
136988999190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135853 (or 135850 counting only the distinct ones).
The product of its (nonzero) digits is 68024448, while the sum is 72.
The spelling of 136988999190 in words is "one hundred thirty-six billion, nine hundred eighty-eight million, nine hundred ninety-nine thousand, one hundred ninety".
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