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91327129290101 = 2272573211563503
BaseRepresentation
bin10100110000111111000001…
…000110011000010101110101
3102222100210021122222110101202
4110300333001012120111311
543432300430044240401
6522123034244102245
725144111254355505
oct2460770106302565
9388323248873352
1091327129290101
1127110688655561
12a2ab986994985
133bc615a7c3043
14187a384327a05
15a8596537506b
hex530fc1198575

91327129290101 has 8 divisors (see below), whose sum is σ = 91729866593664. Its totient is φ = 90924395628640.

The previous prime is 91327129290091. The next prime is 91327129290107. The reversal of 91327129290101 is 10109292172319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-91327129290101 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 (91327129290107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57630116 + ... + 59193618.

It is an arithmetic number, because the mean of its divisors is an integer number (11466233324208).

Almost surely, 291327129290101 is an apocalyptic number.

It is an amenable number.

91327129290101 is a deficient number, since it is larger than the sum of its proper divisors (402737303563).

91327129290101 is a wasteful number, since it uses less digits than its factorization.

91327129290101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821051.

The product of its (nonzero) digits is 122472, while the sum is 47.

The spelling of 91327129290101 in words is "ninety-one trillion, three hundred twenty-seven billion, one hundred twenty-nine million, two hundred ninety thousand, one hundred one".

Divisors: 1 227 257321 1563503 58411867 354915181 402322155463 91327129290101