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13143420051252 = 2231764428529663
BaseRepresentation
bin1011111101000011000011…
…1000100001111100110100
31201112111110112122000100120
42333100300320201330310
53210320211013120002
643542000454011540
72524403126046531
oct277206070417464
951474415560316
1013143420051252
114208102a74a77
121583348946bb0
1374455ac73a7a
1433620595dd88
1517bd55771cbc
hexbf430e21f34

13143420051252 has 24 divisors (see below), whose sum is σ = 32471978950656. Its totient is φ = 4123425898368.

The previous prime is 13143420051247. The next prime is 13143420051277. The reversal of 13143420051252 is 25215002434131.

13143420051252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32214264628 + ... + 32214265035.

It is an arithmetic number, because the mean of its divisors is an integer number (1352999122944).

Almost surely, 213143420051252 is an apocalyptic number.

13143420051252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13143420051252 is an abundant number, since it is smaller than the sum of its proper divisors (19328558899404).

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

13143420051252 is a wasteful number, since it uses less digits than its factorization.

13143420051252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64428529687 (or 64428529685 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 13143420051252 its reverse (25215002434131), we get a palindrome (38358422485383).

The spelling of 13143420051252 in words is "thirteen trillion, one hundred forty-three billion, four hundred twenty million, fifty-one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 64428529663 128857059326 193285588989 257714118652 386571177978 773142355956 1095285004271 2190570008542 3285855012813 4381140017084 6571710025626 13143420051252