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69158968133 = 431160461643
BaseRepresentation
bin100000001101000110…
…0100001101101000101
320121111210210121001012
41000122030201231011
52113114143440013
651434324412005
74665552346463
oct1003214415505
9217453717035
1069158968133
112736a486412
12114a1247005
1366a2129368
1434c1049833
151beb8811a8
hex101a321b45

69158968133 has 4 divisors (see below), whose sum is σ = 69319430208. Its totient is φ = 68998506060.

The previous prime is 69158968121. The next prime is 69158968139. The reversal of 69158968133 is 33186985196.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69158968133 - 26 = 69158968069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69158968139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80230391 + ... + 80231252.

It is an arithmetic number, because the mean of its divisors is an integer number (17329857552).

Almost surely, 269158968133 is an apocalyptic number.

It is an amenable number.

69158968133 is a deficient number, since it is larger than the sum of its proper divisors (160462075).

69158968133 is a wasteful number, since it uses less digits than its factorization.

69158968133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160462074.

The product of its digits is 8398080, while the sum is 59.

The spelling of 69158968133 in words is "sixty-nine billion, one hundred fifty-eight million, nine hundred sixty-eight thousand, one hundred thirty-three".

Divisors: 1 431 160461643 69158968133