Base | Representation |
---|---|
bin | 11101111111010100… |
… | …01001101100100011 |
3 | 1112120001202001120200 |
4 | 32333222021230203 |
5 | 230433200244112 |
6 | 11221343240243 |
7 | 1106661066264 |
oct | 167752115443 |
9 | 45501661520 |
10 | 16100399907 |
11 | 691228a829 |
12 | 3153ba9083 |
13 | 1697809a67 |
14 | aca42896b |
15 | 643728cdc |
hex | 3bfa89b23 |
16100399907 has 12 divisors (see below), whose sum is σ = 23266633104. Its totient is φ = 10728753840.
The previous prime is 16100399881. The next prime is 16100399923. The reversal of 16100399907 is 70999300161.
It is not a de Polignac number, because 16100399907 - 218 = 16100137763 is a prime.
It is not an unprimeable number, because it can be changed into a prime (16100399507) 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, 382743 + ... + 422720.
It is an arithmetic number, because the mean of its divisors is an integer number (1938886092).
Almost surely, 216100399907 is an apocalyptic number.
16100399907 is a deficient number, since it is larger than the sum of its proper divisors (7166233197).
16100399907 is a wasteful number, since it uses less digits than its factorization.
16100399907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 807690 (or 807687 counting only the distinct ones).
The product of its (nonzero) digits is 91854, while the sum is 45.
The spelling of 16100399907 in words is "sixteen billion, one hundred million, three hundred ninety-nine thousand, nine hundred seven".
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