Base | Representation |
---|---|
bin | 1000100000001001110100… |
… | …10010001111111011000110 |
3 | 2110012102011000120121012200 |
4 | 10100010322102033323012 |
5 | 4422312343422024310 |
6 | 103433134125455330 |
7 | 3636545234026065 |
oct | 420047222177306 |
9 | 73172130517180 |
10 | 18696970501830 |
11 | 5a59382468055 |
12 | 211b721711546 |
13 | a5816967763a |
14 | 488d1c5cc1dc |
15 | 22653eee19c0 |
hex | 11013a48fec6 |
18696970501830 has 24 divisors (see below), whose sum is σ = 48612123304992. Its totient is φ = 4985858800464.
The previous prime is 18696970501829. The next prime is 18696970501831. The reversal of 18696970501830 is 3810507969681.
18696970501830 is a `hidden beast` number, since 1 + 8 + 6 + 9 + 6 + 97 + 0 + 501 + 8 + 30 = 666.
It is an interprime number because it is at equal distance from previous prime (18696970501829) and next prime (18696970501831).
It is a hoax number, since the sum of its digits (63) 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 (18696970501831) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103872058254 + ... + 103872058433.
It is an arithmetic number, because the mean of its divisors is an integer number (2025505137708).
Almost surely, 218696970501830 is an apocalyptic number.
18696970501830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18696970501830 is an abundant number, since it is smaller than the sum of its proper divisors (29915152803162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18696970501830 is a wasteful number, since it uses less digits than its factorization.
18696970501830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207744116700 (or 207744116697 counting only the distinct ones).
The product of its (nonzero) digits is 19595520, while the sum is 63.
The spelling of 18696970501830 in words is "eighteen trillion, six hundred ninety-six billion, nine hundred seventy million, five hundred one thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •