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13550430798720 = 273453495031489
BaseRepresentation
bin1100010100101111010010…
…0111010100001110000000
31202222102000211011020220000
43011023310213110032000
53234002240241024340
644452552034520000
72565662210241534
oct305136447241600
952872024136800
1013550430798720
114354783a21742
12162a1b7a36000
13773a52babb9a
1434bbb6c79bc4
151877278a8d30
hexc52f49d4380

13550430798720 has 640 divisors, whose sum is σ = 48658828680000. Its totient is φ = 3593516285952.

The previous prime is 13550430798719. The next prime is 13550430798763. The reversal of 13550430798720 is 2789703405531.

13550430798720 is a `hidden beast` number, since 1 + 3 + 5 + 50 + 430 + 7 + 98 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×135504307987202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9100355736 + ... + 9100357224.

Almost surely, 213550430798720 is an apocalyptic number.

13550430798720 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 13550430798720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24329414340000).

13550430798720 is an abundant number, since it is smaller than the sum of its proper divisors (35108397881280).

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

13550430798720 is a wasteful number, since it uses less digits than its factorization.

13550430798720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 13550430798720 in words is "thirteen trillion, five hundred fifty billion, four hundred thirty million, seven hundred ninety-eight thousand, seven hundred twenty".