Base | Representation |
---|---|
bin | 110010110100110000… |
… | …000100110000010100 |
3 | 12012212020001100211120 |
4 | 302310300010300110 |
5 | 1343230424440240 |
6 | 41023045403540 |
7 | 3641230162035 |
oct | 626460046024 |
9 | 165766040746 |
10 | 54572108820 |
11 | 21164595089 |
12 | a6b01095b0 |
13 | 51b9072b68 |
14 | 28d9a4aa8c |
15 | 1645e78ad0 |
hex | cb4c04c14 |
54572108820 has 96 divisors (see below), whose sum is σ = 158550163968. Its totient is φ = 14013222912.
The previous prime is 54572108819. The next prime is 54572108869. The reversal of 54572108820 is 2880127545.
It is a super-2 number, since 2×545721088202 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88629 + ... + 342051.
It is an arithmetic number, because the mean of its divisors is an integer number (1651564208).
Almost surely, 254572108820 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54572108820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79275081984).
54572108820 is an abundant number, since it is smaller than the sum of its proper divisors (103978055148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54572108820 is a wasteful number, since it uses less digits than its factorization.
54572108820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253569 (or 253567 counting only the distinct ones).
The product of its (nonzero) digits is 179200, while the sum is 42.
The spelling of 54572108820 in words is "fifty-four billion, five hundred seventy-two million, one hundred eight thousand, eight hundred twenty".
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