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13263344052 = 2237157896953
BaseRepresentation
bin11000101101000111…
…01001000110110100
31021020100022200120220
430112203221012310
5204130404002202
610032035254340
7646451364360
oct142643510664
937210280526
1013263344052
1156968a2772
1226a1a4a3b0
131334b0709a
148db71a2a0
1552961eabc
hex3168e91b4

13263344052 has 24 divisors (see below), whose sum is σ = 35368917696. Its totient is φ = 3789526848.

The previous prime is 13263343987. The next prime is 13263344063. The reversal of 13263344052 is 25044336231.

It is a happy number.

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, 78948393 + ... + 78948560.

It is an arithmetic number, because the mean of its divisors is an integer number (1473704904).

Almost surely, 213263344052 is an apocalyptic number.

13263344052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13263344052 is an abundant number, since it is smaller than the sum of its proper divisors (22105573644).

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

13263344052 is a wasteful number, since it uses less digits than its factorization.

13263344052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157896967 (or 157896965 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 13263344052 in words is "thirteen billion, two hundred sixty-three million, three hundred forty-four thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 157896953 315793906 473690859 631587812 947381718 1105278671 1894763436 2210557342 3315836013 4421114684 6631672026 13263344052