Base | Representation |
---|---|
bin | 1111100111011… |
… | …10001010011000 |
3 | 100010111102202110 |
4 | 13303232022120 |
5 | 232013431221 |
6 | 20555432320 |
7 | 3150321045 |
oct | 763561230 |
9 | 303442673 |
10 | 130998936 |
11 | 67a44492 |
12 | 37a556a0 |
13 | 211a8383 |
14 | 135801cc |
15 | b779776 |
hex | 7cee298 |
130998936 has 64 divisors (see below), whose sum is σ = 340663680. Its totient is φ = 41944320.
The previous prime is 130998913. The next prime is 130998937. The reversal of 130998936 is 639899031.
It is a happy number.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130998937) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64935 + ... + 66921.
It is an arithmetic number, because the mean of its divisors is an integer number (5322870).
Almost surely, 2130998936 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 130998936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170331840).
130998936 is an abundant number, since it is smaller than the sum of its proper divisors (209664744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130998936 is a wasteful number, since it uses less digits than its factorization.
130998936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2104 (or 2100 counting only the distinct ones).
The product of its (nonzero) digits is 314928, while the sum is 48.
The square root of 130998936 is about 11445.4766611094. The cubic root of 130998936 is about 507.8739327985.
The spelling of 130998936 in words is "one hundred thirty million, nine hundred ninety-eight thousand, nine hundred thirty-six".
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