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13842609787 = 131190755411
BaseRepresentation
bin11001110010001010…
…10111011001111011
31022201201022102210101
430321011113121323
5211322202003122
610205331100231
71000014145636
oct147105273173
938651272711
1013842609787
115963879686
122823a41677
1313c7b23286
14954626c1d
155603e4027
hex33915767b

13842609787 has 8 divisors (see below), whose sum is σ = 13955844672. Its totient is φ = 13729489800.

The previous prime is 13842609761. The next prime is 13842609791. The reversal of 13842609787 is 78790624831.

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 13842609787 - 27 = 13842609659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13842669787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222112 + ... + 277522.

It is an arithmetic number, because the mean of its divisors is an integer number (1744480584).

Almost surely, 213842609787 is an apocalyptic number.

13842609787 is a deficient number, since it is larger than the sum of its proper divisors (113234885).

13842609787 is a wasteful number, since it uses less digits than its factorization.

13842609787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57449.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 13842609787 in words is "thirteen billion, eight hundred forty-two million, six hundred nine thousand, seven hundred eighty-seven".

Divisors: 1 131 1907 55411 249817 7258841 105668777 13842609787