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13885345173 = 3715711513659
BaseRepresentation
bin11001110111010000…
…11000110110010101
31022211200201121201110
430323220120312111
5211414122021143
610213455045233
71001043325620
oct147350306625
938750647643
1013885345173
115985a08387
122836210819
131403936b9b
1495a18cdb7
15564036533
hex33ba18d95

13885345173 has 32 divisors (see below), whose sum is σ = 21317713920. Its totient is φ = 7874942400.

The previous prime is 13885345121. The next prime is 13885345181. The reversal of 13885345173 is 37154358831.

It is not a de Polignac number, because 13885345173 - 26 = 13885345109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13885340173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3793018 + ... + 3796676.

It is an arithmetic number, because the mean of its divisors is an integer number (666178560).

Almost surely, 213885345173 is an apocalyptic number.

It is an amenable number.

13885345173 is a deficient number, since it is larger than the sum of its proper divisors (7432368747).

13885345173 is a wasteful number, since it uses less digits than its factorization.

13885345173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977.

The product of its digits is 1209600, while the sum is 48.

The spelling of 13885345173 in words is "thirteen billion, eight hundred eighty-five million, three hundred forty-five thousand, one hundred seventy-three".

Divisors: 1 3 7 21 157 471 1099 1151 3297 3453 3659 8057 10977 24171 25613 76839 180707 542121 574463 1264949 1723389 3794847 4021241 4211509 12063723 12634527 29480563 88441689 661206913 1983620739 4628448391 13885345173