Base | Representation |
---|---|
bin | 11000111111111101… |
… | …11101101011100011 |
3 | 1021122100220220100101 |
4 | 30133332331223203 |
5 | 204441401014110 |
6 | 10055445203231 |
7 | 653411606656 |
oct | 143776755343 |
9 | 37570826311 |
10 | 13421501155 |
11 | 57680a6517 |
12 | 2726a00517 |
13 | 135b800a7a |
14 | 91472989d |
15 | 53846113a |
hex | 31ffbdae3 |
13421501155 has 8 divisors (see below), whose sum is σ = 16116141600. Its totient is φ = 10730307456.
The previous prime is 13421501153. The next prime is 13421501179. The reversal of 13421501155 is 55110512431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13421501155 - 21 = 13421501153 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13421501153) 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, 853110 + ... + 868699.
It is an arithmetic number, because the mean of its divisors is an integer number (2014517700).
Almost surely, 213421501155 is an apocalyptic number.
13421501155 is a deficient number, since it is larger than the sum of its proper divisors (2694640445).
13421501155 is a wasteful number, since it uses less digits than its factorization.
13421501155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1723373.
The product of its (nonzero) digits is 3000, while the sum is 28.
The spelling of 13421501155 in words is "thirteen billion, four hundred twenty-one million, five hundred one thousand, one hundred fifty-five".
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