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130727895217920 = 2835571113419873
BaseRepresentation
bin11101101110010101110101…
…110000011011011100000000
3122010212110112210021120200000
4131232111311300123130000
5114113321212133433140
61142011322130400000
736351531053032110
oct3556256560333400
9563773483246600
10130727895217920
1138721430865a30
12127b3b37730000
1357c3784013820
14243d39a179040
15101a7ec5baa30
hex76e575c1b700

130727895217920 has 1728 divisors, whose sum is σ = 629784235551744. Its totient is φ = 25074621480960.

The previous prime is 130727895217919. The next prime is 130727895217961. The reversal of 130727895217920 is 29712598727031.

130727895217920 is a `hidden beast` number, since 1 + 3 + 0 + 7 + 2 + 7 + 89 + 521 + 7 + 9 + 20 = 666.

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

It is a super-4 number, since 4×1307278952179204 (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 311141104 + ... + 311560976.

It is an arithmetic number, because the mean of its divisors is an integer number (364458469648).

Almost surely, 2130727895217920 is an apocalyptic number.

130727895217920 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 130727895217920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314892117775872).

130727895217920 is an abundant number, since it is smaller than the sum of its proper divisors (499056340333824).

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

130727895217920 is a wasteful number, since it uses less digits than its factorization.

130727895217920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419940 (or 419914 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 63.

The spelling of 130727895217920 in words is "one hundred thirty trillion, seven hundred twenty-seven billion, eight hundred ninety-five million, two hundred seventeen thousand, nine hundred twenty".