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69214429257 = 347490882477
BaseRepresentation
bin100000001110110000…
…0000110000001001001
320121122200011022101220
41000131200012001021
52113222343214012
651444025232253
75000124640641
oct1003540060111
9217580138356
1069214429257
1127398817156
12114b7932689
1366b07773ac
1434c8565521
151c0168908c
hex101d806049

69214429257 has 8 divisors (see below), whose sum is σ = 94249435776. Its totient is φ = 45161187792.

The previous prime is 69214429199. The next prime is 69214429283. The reversal of 69214429257 is 75292441296.

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

It is not a de Polignac number, because 69214429257 - 210 = 69214428233 is a prime.

It is a super-3 number, since 3×692144292573 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (69214421257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245441098 + ... + 245441379.

It is an arithmetic number, because the mean of its divisors is an integer number (11781179472).

Almost surely, 269214429257 is an apocalyptic number.

It is an amenable number.

69214429257 is a deficient number, since it is larger than the sum of its proper divisors (25035006519).

69214429257 is a wasteful number, since it uses less digits than its factorization.

69214429257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490882527.

The product of its digits is 2177280, while the sum is 51.

The spelling of 69214429257 in words is "sixty-nine billion, two hundred fourteen million, four hundred twenty-nine thousand, two hundred fifty-seven".

Divisors: 1 3 47 141 490882477 1472647431 23071476419 69214429257