Base | Representation |
---|---|
bin | 111110110101101000… |
… | …110101100001111000 |
3 | 20110011020021011200100 |
4 | 332311220311201320 |
5 | 2101140300444202 |
6 | 50555100435400 |
7 | 4606005415113 |
oct | 766550654170 |
9 | 213136234610 |
10 | 67471890552 |
11 | 2668413a020 |
12 | 110b0248b60 |
13 | 64937558c1 |
14 | 33a0d6957a |
15 | 1b4d6d141c |
hex | fb5a35878 |
67471890552 has 96 divisors (see below), whose sum is σ = 201750756480. Its totient is φ = 20199670080.
The previous prime is 67471890517. The next prime is 67471890571. The reversal of 67471890552 is 25509817476.
67471890552 is a `hidden beast` number, since 6 + 7 + 4 + 7 + 1 + 89 + 0 + 552 = 666.
It is a super-2 number, since 2×674718905522 (a number of 22 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, 447468 + ... + 578939.
It is an arithmetic number, because the mean of its divisors is an integer number (2101570380).
Almost surely, 267471890552 is an apocalyptic number.
It is an amenable number.
67471890552 is an abundant number, since it is smaller than the sum of its proper divisors (134278865928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67471890552 is a wasteful number, since it uses less digits than its factorization.
67471890552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1026513 (or 1026506 counting only the distinct ones).
The product of its (nonzero) digits is 4233600, while the sum is 54.
The spelling of 67471890552 in words is "sixty-seven billion, four hundred seventy-one million, eight hundred ninety thousand, five hundred fifty-two".
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