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969390351293 = 72131521805889
BaseRepresentation
bin11100001101101000010…
…10101110001110111101
310102200011110222011022012
432012310022232032331
5111340302412220133
62021155355301005
7130015253013500
oct16066412561675
93380143864265
10969390351293
11344130643861
12137a5aa4a765
137054a80a180
1434cc1063137
151a339365b48
hexe1b42ae3bd

969390351293 has 12 divisors (see below), whose sum is σ = 1214401100220. Its totient is φ = 766990167552.

The previous prime is 969390351269. The next prime is 969390351299. The reversal of 969390351293 is 392153093969.

It can be written as a sum of positive squares in 2 ways, for example, as 637128029209 + 332262322084 = 798203^2 + 576422^2 .

It is not a de Polignac number, because 969390351293 - 28 = 969390351037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969390351299) 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, 760902308 + ... + 760903581.

It is an arithmetic number, because the mean of its divisors is an integer number (101200091685).

Almost surely, 2969390351293 is an apocalyptic number.

It is an amenable number.

969390351293 is a deficient number, since it is larger than the sum of its proper divisors (245010748927).

969390351293 is a wasteful number, since it uses less digits than its factorization.

969390351293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521805916 (or 1521805909 counting only the distinct ones).

The product of its (nonzero) digits is 10628820, while the sum is 59.

The spelling of 969390351293 in words is "nine hundred sixty-nine billion, three hundred ninety million, three hundred fifty-one thousand, two hundred ninety-three".

Divisors: 1 7 13 49 91 637 1521805889 10652641223 19783476557 74568488561 138484335899 969390351293