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3889329261293 = 72400119838557
BaseRepresentation
bin111000100110001110000…
…101101100101011101101
3111202211001001011200000202
4320212032011230223231
51002210321242330133
612134422212003245
7550665130152200
oct70461605545355
914684031150022
103889329261293
11126a500a78653
12529940600525
132229ba666128
14d635d03b937
156b2850702e8
hex3898e16caed

3889329261293 has 12 divisors (see below), whose sum is σ = 4525452819612. Its totient is φ = 3332877408000.

The previous prime is 3889329261271. The next prime is 3889329261371. The reversal of 3889329261293 is 3921629239883.

It can be written as a sum of positive squares in 2 ways, for example, as 2316003072964 + 1573326188329 = 1521842^2 + 1254323^2 .

It is not a de Polignac number, because 3889329261293 - 214 = 3889329244909 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889320261293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9723230 + ... + 10115327.

It is an arithmetic number, because the mean of its divisors is an integer number (377121068301).

Almost surely, 23889329261293 is an apocalyptic number.

It is an amenable number.

3889329261293 is a deficient number, since it is larger than the sum of its proper divisors (636123558319).

3889329261293 is a wasteful number, since it uses less digits than its factorization.

3889329261293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19842572 (or 19842565 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 65.

The spelling of 3889329261293 in words is "three trillion, eight hundred eighty-nine billion, three hundred twenty-nine million, two hundred sixty-one thousand, two hundred ninety-three".

Divisors: 1 7 49 4001 28007 196049 19838557 138869899 972089293 79374066557 555618465899 3889329261293