Base | Representation |
---|---|
bin | 1100010001111010110… |
… | …1001100110000100000 |
3 | 202011112202120101220010 |
4 | 3010132231030300200 |
5 | 11424030423001340 |
6 | 240530112244520 |
7 | 21145666123656 |
oct | 3043655146040 |
9 | 664482511803 |
10 | 210968562720 |
11 | 81520287773 |
12 | 34a78b40740 |
13 | 16b8188a586 |
14 | a2d4b2add6 |
15 | 574b3a3b80 |
hex | 311eb4cc20 |
210968562720 has 96 divisors (see below), whose sum is σ = 666950493888. Its totient is φ = 56055149568.
The previous prime is 210968562713. The next prime is 210968562731. The reversal of 210968562720 is 27265869012.
210968562720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×2109685627202 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 210968562720.
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, 660394 + ... + 926313.
It is an arithmetic number, because the mean of its divisors is an integer number (6947400978).
Almost surely, 2210968562720 is an apocalyptic number.
210968562720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
210968562720 is an abundant number, since it is smaller than the sum of its proper divisors (455981931168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210968562720 is a wasteful number, since it uses less digits than its factorization.
210968562720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1587002 (or 1586994 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 48.
The spelling of 210968562720 in words is "two hundred ten billion, nine hundred sixty-eight million, five hundred sixty-two thousand, seven hundred twenty".
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