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13834272881 = 1113149649283
BaseRepresentation
bin11001110001001011…
…00100000001110001
31022201010121212201002
430320211210001301
5211313033213011
610204432251345
7666553244042
oct147045440161
938633555632
1013834272881
11595a0a4a80
1228210a0b55
1313c61946b0
149534968c9
1555e7e8c3b
hex338964071

13834272881 has 16 divisors (see below), whose sum is σ = 16361956800. Its totient is φ = 11531248320.

The previous prime is 13834272863. The next prime is 13834272883. The reversal of 13834272881 is 18827243831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13834272881 is a prime.

It is a super-2 number, since 2×138342728812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13834272883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303335 + ... + 345948.

It is an arithmetic number, because the mean of its divisors is an integer number (1022622300).

Almost surely, 213834272881 is an apocalyptic number.

13834272881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13834272881 is a deficient number, since it is larger than the sum of its proper divisors (2527683919).

13834272881 is a wasteful number, since it uses less digits than its factorization.

13834272881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649456.

The product of its digits is 516096, while the sum is 47.

The spelling of 13834272881 in words is "thirteen billion, eight hundred thirty-four million, two hundred seventy-two thousand, eight hundred eighty-one".

Divisors: 1 11 13 143 149 1639 1937 21307 649283 7142113 8440679 92847469 96743167 1064174837 1257661171 13834272881