Base | Representation |
---|---|
bin | 11001011001010000101… |
… | …10001000100100101010 |
3 | 10002102012212122102122120 |
4 | 30230220112020210222 |
5 | 103243443121031020 |
6 | 1504502451132110 |
7 | 120016506161001 |
oct | 14545026104452 |
9 | 3072185572576 |
10 | 872555252010 |
11 | 307059768492 |
12 | 121134ba4036 |
13 | 643878ca260 |
14 | 30336491c38 |
15 | 17a6cde4740 |
hex | cb2858892a |
872555252010 has 256 divisors, whose sum is σ = 2523275919360. Its totient is φ = 190909255680.
The previous prime is 872555251979. The next prime is 872555252029. The reversal of 872555252010 is 10252555278.
It is a happy number.
It is a super-2 number, since 2×8725552520102 (a number of 25 digits) contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12010495 + ... + 12082925.
It is an arithmetic number, because the mean of its divisors is an integer number (9856546560).
Almost surely, 2872555252010 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 872555252010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261637959680).
872555252010 is an abundant number, since it is smaller than the sum of its proper divisors (1650720667350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
872555252010 is a wasteful number, since it uses less digits than its factorization.
872555252010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72573.
The product of its (nonzero) digits is 280000, while the sum is 42.
The spelling of 872555252010 in words is "eight hundred seventy-two billion, five hundred fifty-five million, two hundred fifty-two thousand, ten".
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