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13155612651652 = 2227132431749853
BaseRepresentation
bin1011111101110000011110…
…0111100111000010000100
31201120122221021011021210011
42333130013213213002010
53211020143314323102
643551334403440004
72525314226331502
oct277340747470204
951518837137704
1013155612651652
11421229a415129
121585790086004
13745751ca1813
14336a40d95672
1517c31ad892d7
hexbf7079e7084

13155612651652 has 24 divisors (see below), whose sum is σ = 23032217168856. Its totient is φ = 6574979482368.

The previous prime is 13155612651607. The next prime is 13155612651689. The reversal of 13155612651652 is 25615621655131.

It can be written as a sum of positive squares in 4 ways, for example, as 4637234923776 + 8518377727876 = 2153424^2 + 2918626^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13155612651596 and 13155612651605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263863158 + ... + 263913010.

It is an arithmetic number, because the mean of its divisors is an integer number (959675715369).

Almost surely, 213155612651652 is an apocalyptic number.

It is an amenable number.

13155612651652 is a deficient number, since it is larger than the sum of its proper divisors (9876604517204).

13155612651652 is a wasteful number, since it uses less digits than its factorization.

13155612651652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76887 (or 76885 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 49.

The spelling of 13155612651652 in words is "thirteen trillion, one hundred fifty-five billion, six hundred twelve million, six hundred fifty-one thousand, six hundred fifty-two".

Divisors: 1 2 4 2713 5426 10852 24317 48634 49853 97268 99706 199412 65972021 131944042 135251189 263888084 270502378 541004756 1212275401 2424550802 4849101604 3288903162913 6577806325826 13155612651652