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13215555231230 = 2511120141411193
BaseRepresentation
bin1100000001001111110001…
…1110011001110111111110
31201210101122202200211112002
43000103330132121313332
53213010424114344410
644035050421142302
72532535531004642
oct300237436316776
951711582624462
1013215555231230
11423575a4433a0
12159531a85a992
1374b2b5875c11
143398c9d7cc22
1517db785487a5
hexc04fc799dfe

13215555231230 has 16 divisors (see below), whose sum is σ = 25950544817904. Its totient is φ = 4805656447680.

The previous prime is 13215555231107. The next prime is 13215555231251. The reversal of 13215555231230 is 3213255551231.

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, 60070705487 + ... + 60070705706.

It is an arithmetic number, because the mean of its divisors is an integer number (1621909051119).

Almost surely, 213215555231230 is an apocalyptic number.

13215555231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13215555231230 is a deficient number, since it is larger than the sum of its proper divisors (12734989586674).

13215555231230 is a wasteful number, since it uses less digits than its factorization.

13215555231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120141411211.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 13215555231230 in words is "thirteen trillion, two hundred fifteen billion, five hundred fifty-five million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 120141411193 240282822386 600707055965 1201414111930 1321555523123 2643111046246 6607777615615 13215555231230