Base | Representation |
---|---|
bin | 111111000110100001… |
… | …010010001100011000 |
3 | 20110212222012220012210 |
4 | 333012201102030120 |
5 | 2102230302422410 |
6 | 51043135235120 |
7 | 4616015022102 |
oct | 770641221430 |
9 | 213788186183 |
10 | 67755123480 |
11 | 2680a001120 |
12 | 1116b078aa0 |
13 | 650a332955 |
14 | 33ca816572 |
15 | 1b684cc220 |
hex | fc6852318 |
67755123480 has 64 divisors (see below), whose sum is σ = 221744044800. Its totient is φ = 16425484160.
The previous prime is 67755123463. The next prime is 67755123493. The reversal of 67755123480 is 8432155776.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25663500 + ... + 25666139.
It is an arithmetic number, because the mean of its divisors is an integer number (3464750700).
Almost surely, 267755123480 is an apocalyptic number.
67755123480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
67755123480 is an abundant number, since it is smaller than the sum of its proper divisors (153988921320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67755123480 is a wasteful number, since it uses less digits than its factorization.
67755123480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51329664 (or 51329660 counting only the distinct ones).
The product of its (nonzero) digits is 1411200, while the sum is 48.
The spelling of 67755123480 in words is "sixty-seven billion, seven hundred fifty-five million, one hundred twenty-three thousand, four hundred eighty".
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