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13969283690880 = 2737577319531
BaseRepresentation
bin1100101101000111101000…
…1100010011000110000000
31211110110011101202210000000
43023101322030103012000
53312333043111102010
645413222250000000
72641150605132660
oct313217214230600
954413141683000
1013969283690880
1144a6381512a51
121697410a16000
137a43b435c2cb
1436418cc421a0
1519358e47e7c0
hexcb47a313180

13969283690880 has 1024 divisors, whose sum is σ = 58027478169600. Its totient is φ = 3149078446080.

The previous prime is 13969283690863. The next prime is 13969283690959. The reversal of 13969283690880 is 8809638296931.

13969283690880 is a `hidden beast` number, since 13 + 96 + 92 + 8 + 369 + 0 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 13969283690799 and 13969283690808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 715226715 + ... + 715246245.

It is an arithmetic number, because the mean of its divisors is an integer number (56667459150).

Almost surely, 213969283690880 is an apocalyptic number.

13969283690880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13969283690880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29013739084800).

13969283690880 is an abundant number, since it is smaller than the sum of its proper divisors (44058194478720).

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

13969283690880 is an frugal number, since it uses more digits than its factorization.

13969283690880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19651 (or 19621 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 72.

The spelling of 13969283690880 in words is "thirteen trillion, nine hundred sixty-nine billion, two hundred eighty-three million, six hundred ninety thousand, eight hundred eighty".