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1301388430465 = 56110142246013
BaseRepresentation
bin10010111100000000110…
…010111000110010000001
311121102002222221000202201
4102330000302320302001
5132310220414233330
62433503302313201
7163010422066534
oct22740062706201
94542088830681
101301388430465
11461a08929592
12190274428801
1395949954b26
1446db7b28a1b
1523cbac81eca
hex12f00cb8c81

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".

Divisors: 1 5 61 101 305 505 6161 30805 42246013 211230065 2577006793 4266847313 12885033965 21334236565 260277686093 1301388430465