Base | Representation |
---|---|
bin | 10011000001101110… |
… | …10010010010000011 |
3 | 222100220101210201200 |
4 | 21200313102102003 |
5 | 131410022241011 |
6 | 4405343432243 |
7 | 511065260052 |
oct | 114067222203 |
9 | 28326353650 |
10 | 10215040131 |
11 | 437213a92a |
12 | 1b90bb5683 |
13 | c6a40c45a |
14 | 6cc93c399 |
15 | 3ebbd8856 |
hex | 260dd2483 |
10215040131 has 12 divisors (see below), whose sum is σ = 14766521640. Its totient is φ = 6804735840.
The previous prime is 10215040123. The next prime is 10215040177. The reversal of 10215040131 is 13104051201.
10215040131 is a `hidden beast` number, since 10 + 21 + 504 + 0 + 131 = 666.
It is not a de Polignac number, because 10215040131 - 23 = 10215040123 is a prime.
It is a super-2 number, since 2×102150401312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10215040831) 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, 428665 + ... + 451866.
It is an arithmetic number, because the mean of its divisors is an integer number (1230543470).
Almost surely, 210215040131 is an apocalyptic number.
10215040131 is a deficient number, since it is larger than the sum of its proper divisors (4551481509).
10215040131 is a wasteful number, since it uses less digits than its factorization.
10215040131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 881826 (or 881823 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
Adding to 10215040131 its reverse (13104051201), we get a palindrome (23319091332).
The spelling of 10215040131 in words is "ten billion, two hundred fifteen million, forty thousand, one hundred thirty-one".
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