Base | Representation |
---|---|
bin | 10100000101010010001… |
… | …00000001000000100100 |
3 | 2102222002110101100020011 |
4 | 22002221010001000210 |
5 | 42301140434411242 |
6 | 1244555042420004 |
7 | 100565421110653 |
oct | 12025104010044 |
9 | 2388073340204 |
10 | 690031169572 |
11 | 246705673868 |
12 | b1896061604 |
13 | 500ba073c04 |
14 | 2557d37719a |
15 | 12e38d04d17 |
hex | a0a9101024 |
690031169572 has 12 divisors (see below), whose sum is σ = 1211821525936. Its totient is φ = 343796447880.
The previous prime is 690031169561. The next prime is 690031169573. The reversal of 690031169572 is 275961130096.
It is a super-2 number, since 2×6900311695722 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (690031169573) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304782954 + ... + 304785217.
Almost surely, 2690031169572 is an apocalyptic number.
It is an amenable number.
690031169572 is a deficient number, since it is larger than the sum of its proper divisors (521790356364).
690031169572 is a wasteful number, since it uses less digits than its factorization.
690031169572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 609568458 (or 609568456 counting only the distinct ones).
The product of its (nonzero) digits is 612360, while the sum is 49.
The spelling of 690031169572 in words is "six hundred ninety billion, thirty-one million, one hundred sixty-nine thousand, five hundred seventy-two".
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