Base | Representation |
---|---|
bin | 10100000101111111011… |
… | …10100101100100000100 |
3 | 2110000001221220110212100 |
4 | 22002333232211210010 |
5 | 42302430311144400 |
6 | 1245100504552100 |
7 | 100611016211262 |
oct | 12027756454404 |
9 | 2400057813770 |
10 | 690411428100 |
11 | 246890285709 |
12 | b1981482630 |
13 | 5014aa92964 |
14 | 255b7a7d432 |
15 | 12e5c3b9100 |
hex | a0bfba5904 |
690411428100 has 81 divisors (see below), whose sum is σ = 2164134401247. Its totient is φ = 184103066880.
The previous prime is 690411428041. The next prime is 690411428123. The reversal of 690411428100 is 1824114096.
The square root of 690411428100 is 830910.
It is a perfect power (a square), and thus also a powerful number.
690411428100 is a `hidden beast` number, since 6 + 90 + 41 + 1 + 428 + 100 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 366850685124 + 323560742976 = 605682^2 + 568824^2 .
It is a super-2 number, since 2×6904114281002 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24913452 + ... + 24941148.
Almost surely, 2690411428100 is an apocalyptic number.
690411428100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
690411428100 is the 830910-th square number.
It is an amenable number.
690411428100 is an abundant number, since it is smaller than the sum of its proper divisors (1473722973147).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
690411428100 is an equidigital number, since it uses as much as digits as its factorization.
690411428100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55414 (or 27707 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
Multiplying 690411428100 by its sum of digits (36), we get a square (24854811411600 = 49854602).
690411428100 divided by its sum of digits (36) gives a square (19178095225 = 1384852).
The spelling of 690411428100 in words is "six hundred ninety billion, four hundred eleven million, four hundred twenty-eight thousand, one hundred".
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