Base | Representation |
---|---|
bin | 11101000110000100… |
… | …11111001010011110 |
3 | 1111022121020102001112 |
4 | 32203002133022132 |
5 | 223442240140110 |
6 | 11101551542022 |
7 | 1062040564253 |
oct | 164302371236 |
9 | 44277212045 |
10 | 15620240030 |
11 | 669624458a |
12 | 303b22a912 |
13 | 161c1b03a5 |
14 | a8275942a |
15 | 6164ce405 |
hex | 3a309f29e |
15620240030 has 16 divisors (see below), whose sum is σ = 28646931744. Its totient is φ = 6130207200.
The previous prime is 15620240011. The next prime is 15620240039. The reversal of 15620240030 is 3004202651.
It is a junction number, because it is equal to n+sod(n) for n = 15620239978 and 15620240005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15620240039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14735546 + ... + 14736605.
It is an arithmetic number, because the mean of its divisors is an integer number (1790433234).
Almost surely, 215620240030 is an apocalyptic number.
15620240030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15620240030 is a deficient number, since it is larger than the sum of its proper divisors (13026691714).
15620240030 is a wasteful number, since it uses less digits than its factorization.
15620240030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29472211.
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 15620240030 its reverse (3004202651), we get a palindrome (18624442681).
The spelling of 15620240030 in words is "fifteen billion, six hundred twenty million, two hundred forty thousand, thirty".
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