Base | Representation |
---|---|
bin | 11100001000001011… |
… | …11101000000001110 |
3 | 1102222102022002001222 |
4 | 32010011331000032 |
5 | 221411332224430 |
6 | 10534244003342 |
7 | 1043134564250 |
oct | 160405750016 |
9 | 42872262058 |
10 | 15101054990 |
11 | 644a17413a |
12 | 2b15390552 |
13 | 156876bac8 |
14 | a3380bcd0 |
15 | 5d5b269e5 |
hex | 38417d00e |
15101054990 has 16 divisors (see below), whose sum is σ = 31065027552. Its totient is φ = 5177504544.
The previous prime is 15101054987. The next prime is 15101055029. The reversal of 15101054990 is 9945010151.
It is a super-2 number, since 2×151010549902 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 15101054990.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107864609 + ... + 107864748.
It is an arithmetic number, because the mean of its divisors is an integer number (1941564222).
Almost surely, 215101054990 is an apocalyptic number.
15101054990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15101054990 is an abundant number, since it is smaller than the sum of its proper divisors (15963972562).
15101054990 is a wasteful number, since it uses less digits than its factorization.
15101054990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215729371.
The product of its (nonzero) digits is 8100, while the sum is 35.
The spelling of 15101054990 in words is "fifteen billion, one hundred one million, fifty-four thousand, nine hundred ninety".
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