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69766890436 = 22149117058541
BaseRepresentation
bin100000011111001101…
…1100100001111000100
320200002011201020200001
41000332123210033010
52120340310443221
652014522331044
75016613532635
oct1007633441704
9220064636601
1069766890436
1127651655441
1211630959a84
13676b069bb9
14353ba9588c
151c34e16391
hex103e6e43c4

69766890436 has 12 divisors (see below), whose sum is σ = 122911469100. Its totient is φ = 34649327840.

The previous prime is 69766890407. The next prime is 69766890451. The reversal of 69766890436 is 63409866796.

It can be written as a sum of positive squares in 2 ways, for example, as 4509122500 + 65257767936 = 67150^2 + 255456^2 .

It is a super-2 number, since 2×697668904362 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58528675 + ... + 58529866.

It is an arithmetic number, because the mean of its divisors is an integer number (10242622425).

Almost surely, 269766890436 is an apocalyptic number.

It is an amenable number.

69766890436 is a deficient number, since it is larger than the sum of its proper divisors (53144578664).

69766890436 is a wasteful number, since it uses less digits than its factorization.

69766890436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117058694 (or 117058692 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 64.

The spelling of 69766890436 in words is "sixty-nine billion, seven hundred sixty-six million, eight hundred ninety thousand, four hundred thirty-six".

Divisors: 1 2 4 149 298 596 117058541 234117082 468234164 17441722609 34883445218 69766890436