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696990824481 = 3779741643713
BaseRepresentation
bin10100010010001111110…
…00111111100000100001
32110122001111012102221210
422021013320333200201
542404414122340411
61252105420140333
7101233040154030
oct12110770774041
92418044172853
10696990824481
11249657171586
12b30b89976a9
1350958bc2203
1425a3d7d0717
15131e4ceeca6
hexa247e3f821

696990824481 has 16 divisors (see below), whose sum is σ = 1063413880704. Its totient is φ = 397780737024.

The previous prime is 696990824443. The next prime is 696990824489. The reversal of 696990824481 is 184428099696.

It is not a de Polignac number, because 696990824481 - 221 = 696988727329 is a prime.

It is a super-2 number, since 2×6969908244812 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (696990824489) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20805120 + ... + 20838593.

It is an arithmetic number, because the mean of its divisors is an integer number (66463367544).

Almost surely, 2696990824481 is an apocalyptic number.

It is an amenable number.

696990824481 is a deficient number, since it is larger than the sum of its proper divisors (366423056223).

696990824481 is a wasteful number, since it uses less digits than its factorization.

696990824481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41644520.

The product of its (nonzero) digits is 53747712, while the sum is 66.

The spelling of 696990824481 in words is "six hundred ninety-six billion, nine hundred ninety million, eight hundred twenty-four thousand, four hundred eighty-one".

Divisors: 1 3 7 21 797 2391 5579 16737 41643713 124931139 291505991 874517973 33190039261 99570117783 232330274827 696990824481