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130055777280 = 21035511131743
BaseRepresentation
bin111100100011111101…
…1011010110000000000
3110102200210220000200000
41321013323122300000
54112323234333110
6135425150400000
712252621603222
oct1710773326000
9412623800600
10130055777280
115017a106460
1221257500000
13c358603740
14641aa68412
1535b2bd01c0
hex1e47edac00

130055777280 has 2112 divisors, whose sum is σ = 594846540288. Its totient is φ = 26754416640.

The previous prime is 130055777261. The next prime is 130055777359. The reversal of 130055777280 is 82777550031.

130055777280 is a `hidden beast` number, since 1 + 3 + 0 + 0 + 5 + 577 + 72 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2112).

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, 3024552939 + ... + 3024552981.

It is an arithmetic number, because the mean of its divisors is an integer number (281650824).

Almost surely, 2130055777280 is an apocalyptic number.

130055777280 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 130055777280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297423270144).

130055777280 is an abundant number, since it is smaller than the sum of its proper divisors (464790763008).

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

130055777280 is a wasteful number, since it uses less digits than its factorization.

130055777280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The spelling of 130055777280 in words is "one hundred thirty billion, fifty-five million, seven hundred seventy-seven thousand, two hundred eighty".