Base | Representation |
---|---|
bin | 101101100110111101… |
… | …011001100110010000 |
3 | 11200101221110222002021 |
4 | 231212331121212100 |
5 | 1300243313340140 |
6 | 34255240101224 |
7 | 3352400142646 |
oct | 554675314620 |
9 | 150357428067 |
10 | 48972011920 |
11 | 19850473427 |
12 | 95a8764814 |
13 | 4805ab3560 |
14 | 2527db9196 |
15 | 14194d5b4a |
hex | b66f59990 |
48972011920 has 160 divisors (see below), whose sum is σ = 128105800704. Its totient is φ = 17286912000.
The previous prime is 48972011903. The next prime is 48972011971. The reversal of 48972011920 is 2911027984.
It is a happy number.
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 31 ways as a sum of consecutive naturals, for example, 2666770 + ... + 2685070.
Almost surely, 248972011920 is an apocalyptic number.
48972011920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 48972011920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64052900352).
48972011920 is an abundant number, since it is smaller than the sum of its proper divisors (79133788784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48972011920 is a wasteful number, since it uses less digits than its factorization.
48972011920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18441 (or 18435 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 43.
The spelling of 48972011920 in words is "forty-eight billion, nine hundred seventy-two million, eleven thousand, nine hundred twenty".
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