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91130011323100 = 2252911300113231
BaseRepresentation
bin10100101110000111011011…
…111101000000101011011100
3102221122221111011202012221021
4110232013123331000223130
543421033230344314400
6521452314350013524
725123632430321201
oct2456073375005334
9387587434665837
1091130011323100
1127045025701412
12a2797344a72a4
133bb06a55c3949
141870a04d01ca8
15a80779e4171a
hex52e1dbf40adc

91130011323100 has 18 divisors (see below), whose sum is σ = 197752124571344. Its totient is φ = 36452004529200.

The previous prime is 91130011323067. The next prime is 91130011323107. The reversal of 91130011323100 is 132311003119.

It is a super-2 number, since 2×911300113231002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91130011323107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 455650056516 + ... + 455650056715.

Almost surely, 291130011323100 is an apocalyptic number.

It is an amenable number.

91130011323100 is an abundant number, since it is smaller than the sum of its proper divisors (106622113248244).

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

91130011323100 is a wasteful number, since it uses less digits than its factorization.

91130011323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911300113245 (or 911300113238 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 91130011323100 its reverse (132311003119), we get a palindrome (91262322326219).

The spelling of 91130011323100 in words is "ninety-one trillion, one hundred thirty billion, eleven million, three hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 911300113231 1822600226462 3645200452924 4556500566155 9113001132310 18226002264620 22782502830775 45565005661550 91130011323100