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13354671680 = 265722943683
BaseRepresentation
bin11000111000000000…
…00001111001000000
31021110201011121112122
430130000001321000
5204322243443210
610045100543412
7651640556600
oct143400017100
937421147478
1013354671680
115733400549
122708551b68
13134aa023bc
149098d0c00
1553265eb55
hex31c001e40

13354671680 has 336 divisors, whose sum is σ = 39215689920. Its totient is φ = 4311724032.

The previous prime is 13354671599. The next prime is 13354671689. The reversal of 13354671680 is 8617645331.

It is not an unprimeable number, because it can be changed into a prime (13354671689) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19552619 + ... + 19553301.

Almost surely, 213354671680 is an apocalyptic number.

13354671680 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 13354671680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19607844960).

13354671680 is an abundant number, since it is smaller than the sum of its proper divisors (25861018240).

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

13354671680 is a wasteful number, since it uses less digits than its factorization.

13354671680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 13354671680 in words is "thirteen billion, three hundred fifty-four million, six hundred seventy-one thousand, six hundred eighty".