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101122242140 = 2255056112107
BaseRepresentation
bin101111000101101011…
…0101111011001011100
3100200000101100011001102
41132023112233121130
53124044243222030
6114242132332232
710206621606323
oct1361326573134
9320011304042
10101122242140
1139981962247
1217721774078
1396c717a24a
144c7410d0ba
15296ca15c45
hex178b5af65c

101122242140 has 12 divisors (see below), whose sum is σ = 212356708536. Its totient is φ = 40448896848.

The previous prime is 101122242139. The next prime is 101122242157. The reversal of 101122242140 is 41242221101.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5056112107 = 101122242140 / (1 + 0 + 1 + 1 + 2 + 2 + 2 + 4 + 2 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528056034 + ... + 2528056073.

It is an arithmetic number, because the mean of its divisors is an integer number (17696392378).

Almost surely, 2101122242140 is an apocalyptic number.

101122242140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101122242140 is an abundant number, since it is smaller than the sum of its proper divisors (111234466396).

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

101122242140 is a wasteful number, since it uses less digits than its factorization.

101122242140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056112116 (or 5056112114 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 101122242140 its reverse (41242221101), we get a palindrome (142364463241).

The spelling of 101122242140 in words is "one hundred one billion, one hundred twenty-two million, two hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 5056112107 10112224214 20224448428 25280560535 50561121070 101122242140