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13380624785 = 5112310577569
BaseRepresentation
bin11000111011000110…
…00010000110010001
31021112112000011111202
430131203002012101
5204400414443120
610051425120545
7652404301613
oct143543020621
937475004452
1013380624785
1157470174a0
122715189155
1313531bb378
1490d128db3
15534a89875
hex31d8c2191

13380624785 has 16 divisors (see below), whose sum is σ = 18278040960. Its totient is φ = 9308259840.

The previous prime is 13380624773. The next prime is 13380624793. The reversal of 13380624785 is 58742608331.

It is not a de Polignac number, because 13380624785 - 24 = 13380624769 is a prime.

It is a super-2 number, since 2×133806247852 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5287520 + ... + 5290049.

It is an arithmetic number, because the mean of its divisors is an integer number (1142377560).

Almost surely, 213380624785 is an apocalyptic number.

It is an amenable number.

13380624785 is a deficient number, since it is larger than the sum of its proper divisors (4897416175).

13380624785 is a wasteful number, since it uses less digits than its factorization.

13380624785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10577608.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 13380624785 in words is "thirteen billion, three hundred eighty million, six hundred twenty-four thousand, seven hundred eighty-five".

Divisors: 1 5 11 23 55 115 253 1265 10577569 52887845 116353259 243284087 581766295 1216420435 2676124957 13380624785