Base | Representation |
---|---|
bin | 1101010001010111… |
… | …11001101100100100 |
3 | 200101120000221112101 |
4 | 12220223321230210 |
5 | 104043003014400 |
6 | 3135002301444 |
7 | 341364623662 |
oct | 65053715444 |
9 | 20346027471 |
10 | 7125048100 |
11 | 30269a4105 |
12 | 146a1b7884 |
13 | 8971a97c1 |
14 | 4b83cbc32 |
15 | 2ba7ba56a |
hex | 1a8af9b24 |
7125048100 has 81 divisors (see below), whose sum is σ = 16206975057. Its totient is φ = 2718677280.
The previous prime is 7125048097. The next prime is 7125048173. The reversal of 7125048100 is 18405217.
The square root of 7125048100 is 84410.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 2565017316 + 4560030784 = 50646^2 + 67528^2 .
It is a super-2 number, since 2×71250481002 (a number of 21 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19414117 + ... + 19414483.
Almost surely, 27125048100 is an apocalyptic number.
7125048100 is the 84410-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7125048100
7125048100 is an abundant number, since it is smaller than the sum of its proper divisors (9081926957).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7125048100 is a wasteful number, since it uses less digits than its factorization.
7125048100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 794 (or 397 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 28.
The cubic root of 7125048100 is about 1924.2548957551.
The spelling of 7125048100 in words is "seven billion, one hundred twenty-five million, forty-eight thousand, one hundred".
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