Base | Representation |
---|---|
bin | 10101000001010010… |
… | …001111010001101000 |
3 | 2011020221200201222011 |
4 | 111001102033101220 |
5 | 332210423333210 |
6 | 14211340205304 |
7 | 1426210665520 |
oct | 250122172150 |
9 | 64227621864 |
10 | 22570136680 |
11 | 9632287823 |
12 | 445a839834 |
13 | 2188cc2b80 |
14 | 1141792680 |
15 | 8c16ecd8a |
hex | 54148f468 |
22570136680 has 128 divisors (see below), whose sum is σ = 62592122880. Its totient is φ = 7132769280.
The previous prime is 22570136669. The next prime is 22570136731. The reversal of 22570136680 is 8663107522.
It is a super-2 number, since 2×225701366802 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2751385 + ... + 2759575.
It is an arithmetic number, because the mean of its divisors is an integer number (489000960).
Almost surely, 222570136680 is an apocalyptic number.
22570136680 is a gapful number since it is divisible by the number (20) 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 22570136680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31296061440).
22570136680 is an abundant number, since it is smaller than the sum of its proper divisors (40021986200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22570136680 is a wasteful number, since it uses less digits than its factorization.
22570136680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8979 (or 8975 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 40.
The spelling of 22570136680 in words is "twenty-two billion, five hundred seventy million, one hundred thirty-six thousand, six hundred eighty".
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