Base | Representation |
---|---|
bin | 10011001101010111… |
… | …001100000001000011 |
3 | 1222020102002122000222 |
4 | 103031113030001003 |
5 | 314220032330440 |
6 | 13250343133255 |
7 | 1330053650621 |
oct | 231527140103 |
9 | 58212078028 |
10 | 20625276995 |
11 | 8824481974 |
12 | 3bb744422b |
13 | 1c390b381b |
14 | dd936c511 |
15 | 80aacd2b5 |
hex | 4cd5cc043 |
20625276995 has 16 divisors (see below), whose sum is σ = 25165323840. Its totient is φ = 16223760000.
The previous prime is 20625276923. The next prime is 20625277033. The reversal of 20625276995 is 59967252602.
It is a de Polignac number, because none of the positive numbers 2k-20625276995 is a prime.
It is a super-2 number, since 2×206252769952 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937370 + ... + 959120.
It is an arithmetic number, because the mean of its divisors is an integer number (1572832740).
Almost surely, 220625276995 is an apocalyptic number.
20625276995 is a deficient number, since it is larger than the sum of its proper divisors (4540046845).
20625276995 is a wasteful number, since it uses less digits than its factorization.
20625276995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24926.
The product of its (nonzero) digits is 4082400, while the sum is 53.
The spelling of 20625276995 in words is "twenty billion, six hundred twenty-five million, two hundred seventy-six thousand, nine hundred ninety-five".
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