Base | Representation |
---|---|
bin | 10010101011010000… |
… | …01110010110100100 |
3 | 221212202201010120221 |
4 | 21111220032112210 |
5 | 131013243330000 |
6 | 4334531334124 |
7 | 503316130222 |
oct | 112550162644 |
9 | 27782633527 |
10 | 10026542500 |
11 | 42857a3867 |
12 | 1b39a51344 |
13 | c3a3517b0 |
14 | 6b18b1b12 |
15 | 3da3a261a |
hex | 255a0e5a4 |
10026542500 has 60 divisors (see below), whose sum is σ = 23612738380. Its totient is φ = 3702096000.
The previous prime is 10026542483. The next prime is 10026542507. The reversal of 10026542500 is 524562001.
It can be written as a sum of positive squares in 10 ways, for example, as 6263456164 + 3763086336 = 79142^2 + 61344^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (10026542507) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 121755 + ... + 186754.
Almost surely, 210026542500 is an apocalyptic number.
10026542500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10026542500 is an abundant number, since it is smaller than the sum of its proper divisors (13586195880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10026542500 is a wasteful number, since it uses less digits than its factorization.
10026542500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 308546 (or 308529 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The spelling of 10026542500 in words is "ten billion, twenty-six million, five hundred forty-two thousand, five hundred".
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