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13058419968 = 283311415971
BaseRepresentation
bin11000010100101011…
…11010110100000000
31020201001201110121000
430022111322310000
5203220423414333
65555435132000
7641412511146
oct141225726400
936631643530
1013058419968
1155a1157220
1226452a4000
131301517729
148bc415596
15516641713
hex30a57ad00

13058419968 has 576 divisors, whose sum is σ = 44503603200. Its totient is φ = 3741696000.

The previous prime is 13058419961. The next prime is 13058419973. The reversal of 13058419968 is 86991485031.

13058419968 is a `hidden beast` number, since 130 + 5 + 8 + 419 + 96 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×130584199682 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13058419961) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183921373 + ... + 183921443.

It is an arithmetic number, because the mean of its divisors is an integer number (77263200).

Almost surely, 213058419968 is an apocalyptic number.

13058419968 is a gapful number since it is divisible by the number (18) 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 13058419968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22251801600).

13058419968 is an abundant number, since it is smaller than the sum of its proper divisors (31445183232).

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

13058419968 is a wasteful number, since it uses less digits than its factorization.

13058419968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 13058419968 in words is "thirteen billion, fifty-eight million, four hundred nineteen thousand, nine hundred sixty-eight".