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101215520141 = 195327132639
BaseRepresentation
bin101111001000011101…
…0100100010110001101
3100200020212212011102012
41132100322210112031
53124242133121031
6114255303511005
710212133504001
oct1362072442615
9320225764365
10101215520141
1139a1a5823aa
1217748a58465
1397105a9228
144c82670701
152975cddb2b
hex1790ea458d

101215520141 has 4 divisors (see below), whose sum is σ = 106542652800. Its totient is φ = 95888387484.

The previous prime is 101215520117. The next prime is 101215520167. The reversal of 101215520141 is 141025512101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141025512101 = 612311893641.

It is not a de Polignac number, because 101215520141 - 214 = 101215503757 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 (101215520111) 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, 2663566301 + ... + 2663566338.

It is an arithmetic number, because the mean of its divisors is an integer number (26635663200).

Almost surely, 2101215520141 is an apocalyptic number.

It is an amenable number.

101215520141 is a deficient number, since it is larger than the sum of its proper divisors (5327132659).

101215520141 is an equidigital number, since it uses as much as digits as its factorization.

101215520141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327132658.

The product of its (nonzero) digits is 400, while the sum is 23.

The spelling of 101215520141 in words is "one hundred one billion, two hundred fifteen million, five hundred twenty thousand, one hundred forty-one".

Divisors: 1 19 5327132639 101215520141