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697371138245 = 5443314840243
BaseRepresentation
bin10100010010111101000…
…11110001100011000101
32110200000222211101100202
422021132203301203011
542411204002410440
61252211243420245
7101245335604355
oct12113643614305
92420028741322
10697371138245
11249831910981
12b31a4224685
13509b9930142
1425a7810cb65
15132183c5615
hexa25e8f18c5

697371138245 has 8 divisors (see below), whose sum is σ = 838734410016. Its totient is φ = 556637547856.

The previous prime is 697371138229. The next prime is 697371138251. The reversal of 697371138245 is 542831173796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 697371138245 - 24 = 697371138229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157417907 + ... + 157422336.

It is an arithmetic number, because the mean of its divisors is an integer number (104841801252).

Almost surely, 2697371138245 is an apocalyptic number.

It is an amenable number.

697371138245 is a deficient number, since it is larger than the sum of its proper divisors (141363271771).

697371138245 is a wasteful number, since it uses less digits than its factorization.

697371138245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314840691.

The product of its digits is 7620480, while the sum is 56.

The spelling of 697371138245 in words is "six hundred ninety-seven billion, three hundred seventy-one million, one hundred thirty-eight thousand, two hundred forty-five".

Divisors: 1 5 443 2215 314840243 1574201215 139474227649 697371138245