Base | Representation |
---|---|
bin | 10010111100000000110… |
… | …010111000110010000001 |
3 | 11121102002222221000202201 |
4 | 102330000302320302001 |
5 | 132310220414233330 |
6 | 2433503302313201 |
7 | 163010422066534 |
oct | 22740062706201 |
9 | 4542088830681 |
10 | 1301388430465 |
11 | 461a08929592 |
12 | 190274428801 |
13 | 95949954b26 |
14 | 46db7b28a1b |
15 | 23cbac81eca |
hex | 12f00cb8c81 |
1301388430465 has 16 divisors (see below), whose sum is σ = 1602982755216. Its totient is φ = 1013904288000.
The previous prime is 1301388430457. The next prime is 1301388430487. The reversal of 1301388430465 is 5640348831031.
It can be written as a sum of positive squares in 8 ways, for example, as 19513854864 + 1281874575601 = 139692^2 + 1132199^2 .
It is not a de Polignac number, because 1301388430465 - 23 = 1301388430457 is a prime.
It is a super-2 number, since 2×13013884304652 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21092202 + ... + 21153811.
It is an arithmetic number, because the mean of its divisors is an integer number (100186422201).
Almost surely, 21301388430465 is an apocalyptic number.
It is an amenable number.
1301388430465 is a deficient number, since it is larger than the sum of its proper divisors (301594324751).
1301388430465 is a wasteful number, since it uses less digits than its factorization.
1301388430465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42246180.
The product of its (nonzero) digits is 829440, while the sum is 46.
The spelling of 1301388430465 in words is "one trillion, three hundred one billion, three hundred eighty-eight million, four hundred thirty thousand, four hundred sixty-five".
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