Base | Representation |
---|---|
bin | 100101001110111111… |
… | …1100101010000001100 |
3 | 21122101120001001002120 |
4 | 1022131333211100030 |
5 | 2302224241230100 |
6 | 100422210252540 |
7 | 5530325436420 |
oct | 1123577452014 |
9 | 248346031076 |
10 | 79960101900 |
11 | 30a02436048 |
12 | 135b6587150 |
13 | 7703aa5783 |
14 | 3c27750b80 |
15 | 212ec3c0a0 |
hex | 129dfe540c |
79960101900 has 72 divisors (see below), whose sum is σ = 264401410560. Its totient is φ = 18276594240.
The previous prime is 79960101869. The next prime is 79960101913. The reversal of 79960101900 is 910106997.
It is a super-2 number, since 2×799601019002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19036020 + ... + 19040219.
Almost surely, 279960101900 is an apocalyptic number.
79960101900 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
79960101900 is an abundant number, since it is smaller than the sum of its proper divisors (184441308660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79960101900 is a wasteful number, since it uses less digits than its factorization.
79960101900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38076263 (or 38076256 counting only the distinct ones).
The product of its (nonzero) digits is 30618, while the sum is 42.
The spelling of 79960101900 in words is "seventy-nine billion, nine hundred sixty million, one hundred one thousand, nine hundred".
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