Base | Representation |
---|---|
bin | 10111110101111111… |
… | …11110101011100010 |
3 | 1020001010100201001101 |
4 | 23322333332223202 |
5 | 202204024313102 |
6 | 5514122025014 |
7 | 632135536015 |
oct | 137277765342 |
9 | 36033321041 |
10 | 12801010402 |
11 | 5479922644 |
12 | 259304816a |
13 | 12900ac58b |
14 | 89616b37c |
15 | 4edc46e87 |
hex | 2faffeae2 |
12801010402 has 16 divisors (see below), whose sum is σ = 19531764000. Its totient is φ = 6290475840.
The previous prime is 12801010349. The next prime is 12801010457. The reversal of 12801010402 is 20401010821.
It is a happy number.
It is a super-2 number, since 2×128010104022 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12801010402.
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, 580474 + ... + 602122.
It is an arithmetic number, because the mean of its divisors is an integer number (1220735250).
Almost surely, 212801010402 is an apocalyptic number.
12801010402 is a deficient number, since it is larger than the sum of its proper divisors (6730753598).
12801010402 is a wasteful number, since it uses less digits than its factorization.
12801010402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26721.
The product of its (nonzero) digits is 128, while the sum is 19.
The spelling of 12801010402 in words is "twelve billion, eight hundred one million, ten thousand, four hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •