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13351442052 = 22313591450613
BaseRepresentation
bin11000110111100111…
…01101011010000100
31021110111002112022210
430123303231122010
5204320432121202
610044503423420
7651601246014
oct143363553204
937414075283
1013351442052
1157315a5033
122707454b70
13134a141390
149092cdc44
15532222c6c
hex31bced684

13351442052 has 48 divisors (see below), whose sum is σ = 34118441280. Its totient is φ = 4038503808.

The previous prime is 13351442051. The next prime is 13351442081. The reversal of 13351442052 is 25024415331.

It is a super-2 number, since 2×133514420522 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13351442051) 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, 716103 + ... + 734510.

It is an arithmetic number, because the mean of its divisors is an integer number (710800860).

Almost surely, 213351442052 is an apocalyptic number.

13351442052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13351442052 is an abundant number, since it is smaller than the sum of its proper divisors (20766999228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13351442052 is a wasteful number, since it uses less digits than its factorization.

13351442052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450692 (or 1450690 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 13351442052 its reverse (25024415331), we get a palindrome (38375857383).

The spelling of 13351442052 in words is "thirteen billion, three hundred fifty-one million, four hundred forty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 59 78 118 156 177 236 354 708 767 1534 2301 3068 4602 9204 1450613 2901226 4351839 5802452 8703678 17407356 18857969 37715938 56573907 75431876 85586167 113147814 171172334 226295628 256758501 342344668 513517002 1027034004 1112620171 2225240342 3337860513 4450480684 6675721026 13351442052