Base | Representation |
---|---|
bin | 1010110100110101001… |
… | …0110000110111110010 |
3 | 122210001021212002100020 |
4 | 2231031102300313302 |
5 | 11021341432430010 |
6 | 221234352304310 |
7 | 16302523650360 |
oct | 2551522606762 |
9 | 583037762306 |
10 | 185980358130 |
11 | 71968077816 |
12 | 30064542096 |
13 | 146cb923bb8 |
14 | 9004174630 |
15 | 4c87761470 |
hex | 2b4d4b0df2 |
185980358130 has 64 divisors (see below), whose sum is σ = 518480172288. Its totient is φ = 41812911360.
The previous prime is 185980358129. The next prime is 185980358131. The reversal of 185980358130 is 31853089581.
It is an interprime number because it is at equal distance from previous prime (185980358129) and next prime (185980358131).
It is a super-2 number, since 2×1859803581302 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (185980358131) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7246377 + ... + 7271996.
It is an arithmetic number, because the mean of its divisors is an integer number (8101252692).
Almost surely, 2185980358130 is an apocalyptic number.
185980358130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
185980358130 is an abundant number, since it is smaller than the sum of its proper divisors (332499814158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
185980358130 is a wasteful number, since it uses less digits than its factorization.
185980358130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14518451.
The product of its (nonzero) digits is 1036800, while the sum is 51.
The spelling of 185980358130 in words is "one hundred eighty-five billion, nine hundred eighty million, three hundred fifty-eight thousand, one hundred thirty".
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