Base | Representation |
---|---|
bin | 1101000001010101… |
… | …00111000110011100 |
3 | 200001011211210100100 |
4 | 12200222213012130 |
5 | 103304031221220 |
6 | 3113354301100 |
7 | 335142126216 |
oct | 64052470634 |
9 | 20034753310 |
10 | 6990492060 |
11 | 2a67a50172 |
12 | 1431127790 |
13 | 875357346 |
14 | 4a45a35b6 |
15 | 2ada8bd90 |
hex | 1a0aa719c |
6990492060 has 72 divisors (see below), whose sum is σ = 21215690496. Its totient is φ = 1863146880.
The previous prime is 6990492049. The next prime is 6990492073. The reversal of 6990492060 is 602940996.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 6990491997 and 6990492015.
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, 370782 + ... + 389178.
It is an arithmetic number, because the mean of its divisors is an integer number (294662368).
Almost surely, 26990492060 is an apocalyptic number.
6990492060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
6990492060 is an abundant number, since it is smaller than the sum of its proper divisors (14225198436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6990492060 is a wasteful number, since it uses less digits than its factorization.
6990492060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20523 (or 20518 counting only the distinct ones).
The product of its (nonzero) digits is 209952, while the sum is 45.
The square root of 6990492060 is about 83609.1625361718. The cubic root of 6990492060 is about 1912.0646934425.
The spelling of 6990492060 in words is "six billion, nine hundred ninety million, four hundred ninety-two thousand, sixty".
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