Base | Representation |
---|---|
bin | 11000001110010101… |
… | …00101000000001001 |
3 | 1020120100102022110210 |
4 | 30013022211000021 |
5 | 203113302143101 |
6 | 5550252431333 |
7 | 640164441225 |
oct | 140712450011 |
9 | 36510368423 |
10 | 13005115401 |
11 | 5574059763 |
12 | 262b478549 |
13 | 12c3473175 |
14 | 8b52db785 |
15 | 511b127d6 |
hex | 3072a5009 |
13005115401 has 16 divisors (see below), whose sum is σ = 17715916800. Its totient is φ = 8482337808.
The previous prime is 13005115399. The next prime is 13005115433. The reversal of 13005115401 is 10451150031.
It is a happy number.
It is not a de Polignac number, because 13005115401 - 21 = 13005115399 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13005115001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381120 + ... + 413838.
It is an arithmetic number, because the mean of its divisors is an integer number (1107244800).
Almost surely, 213005115401 is an apocalyptic number.
It is an amenable number.
13005115401 is a deficient number, since it is larger than the sum of its proper divisors (4710801399).
13005115401 is a wasteful number, since it uses less digits than its factorization.
13005115401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35588.
The product of its (nonzero) digits is 300, while the sum is 21.
Adding to 13005115401 its reverse (10451150031), we get a palindrome (23456265432).
The spelling of 13005115401 in words is "thirteen billion, five million, one hundred fifteen thousand, four hundred one".
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