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91130011323101 = 149611610814249
BaseRepresentation
bin10100101110000111011011…
…111101000000101011011101
3102221122221111011202012221022
4110232013123331000223131
543421033230344314401
6521452314350013525
725123632430321202
oct2456073375005335
9387587434665838
1091130011323101
1127045025701413
12a2797344a72a5
133bb06a55c394a
141870a04d01ca9
15a80779e4171b
hex52e1dbf40add

91130011323101 has 4 divisors (see below), whose sum is σ = 91741622137500. Its totient is φ = 90518400508704.

The previous prime is 91130011323067. The next prime is 91130011323107. The reversal of 91130011323101 is 10132311003119.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59480959512100 + 31649051811001 = 7712390^2 + 5625749^2 .

It is a cyclic number.

It is not a de Polignac number, because 91130011323101 - 214 = 91130011306717 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 305805406976 + ... + 305805407273.

It is an arithmetic number, because the mean of its divisors is an integer number (22935405534375).

Almost surely, 291130011323101 is an apocalyptic number.

It is an amenable number.

91130011323101 is a deficient number, since it is larger than the sum of its proper divisors (611610814399).

91130011323101 is a wasteful number, since it uses less digits than its factorization.

91130011323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611610814398.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 91130011323101 in words is "ninety-one trillion, one hundred thirty billion, eleven million, three hundred twenty-three thousand, one hundred one".

Divisors: 1 149 611610814249 91130011323101