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1306112665641 = 37447971388393
BaseRepresentation
bin10011000000011010011…
…000011010100000101001
311121212022020102001002220
4103000122120122200221
5132344404320300031
62440004143144253
7163235455323120
oct23003230324051
94555266361086
101306112665641
11463a12605383
121911725a5089
139622061c964
1447305324ab7
1523e958b5596
hex1301a61a829

1306112665641 has 16 divisors (see below), whose sum is σ = 1990312781184. Its totient is φ = 746332896384.

The previous prime is 1306112665541. The next prime is 1306112665661. The reversal of 1306112665641 is 1465662116031.

It is not a de Polignac number, because 1306112665641 - 29 = 1306112665129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1306112665593 and 1306112665602.

It is not an unprimeable number, because it can be changed into a prime (1306112665661) 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, 246541 + ... + 1634933.

It is an arithmetic number, because the mean of its divisors is an integer number (124394548824).

Almost surely, 21306112665641 is an apocalyptic number.

It is an amenable number.

1306112665641 is a deficient number, since it is larger than the sum of its proper divisors (684200115543).

1306112665641 is a wasteful number, since it uses less digits than its factorization.

1306112665641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433200.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 1306112665641 in words is "one trillion, three hundred six billion, one hundred twelve million, six hundred sixty-five thousand, six hundred forty-one".

Divisors: 1 3 7 21 44797 134391 313579 940737 1388393 4165179 9718751 29156253 62195841221 186587523663 435370888547 1306112665641