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13941607680 = 2833571113231
BaseRepresentation
bin11001111101111110…
…00000110100000000
31022222121121001101000
430332333000310000
5212023022421210
610223225012000
71002325465350
oct147677006400
938877531330
1013941607680
115a04746220
122851024000
1314124a5900
14963836b60
15568e4bac0
hex33efc0d00

13941607680 has 1728 divisors, whose sum is σ = 68945264640. Its totient is φ = 2587852800.

The previous prime is 13941607679. The next prime is 13941607723. The reversal of 13941607680 is 8670614931.

It is a happy number.

13941607680 is a `hidden beast` number, since 1 + 39 + 4 + 1 + 607 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 449729265 + ... + 449729295.

It is an arithmetic number, because the mean of its divisors is an integer number (39898880).

Almost surely, 213941607680 is an apocalyptic number.

13941607680 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 13941607680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34472632320).

13941607680 is an abundant number, since it is smaller than the sum of its proper divisors (55003656960).

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

13941607680 is a wasteful number, since it uses less digits than its factorization.

13941607680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 13941607680 in words is "thirteen billion, nine hundred forty-one million, six hundred seven thousand, six hundred eighty".