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120112100231 = 5913977318947
BaseRepresentation
bin110111111011100111…
…1010011001110000111
3102111000211002220002212
41233313033103032013
53431442144201411
6131102335054035
711451330002144
oct1576717231607
9374024086085
10120112100231
1146a37170742
121b34137131b
13b4324a6676
145b561a73cb
1531cec4a68b
hex1bf73d3387

120112100231 has 16 divisors (see below), whose sum is σ = 123192316800. Its totient is φ = 117069001248.

The previous prime is 120112100219. The next prime is 120112100243. The reversal of 120112100231 is 132001211021.

It is an interprime number because it is at equal distance from previous prime (120112100219) and next prime (120112100243).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120112100231 is a prime.

It is a super-2 number, since 2×1201121002312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112100201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6329900 + ... + 6348846.

It is an arithmetic number, because the mean of its divisors is an integer number (7699519800).

Almost surely, 2120112100231 is an apocalyptic number.

120112100231 is a deficient number, since it is larger than the sum of its proper divisors (3080216569).

120112100231 is a wasteful number, since it uses less digits than its factorization.

120112100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19918.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120112100231 its reverse (132001211021), we get a palindrome (252113311252).

The spelling of 120112100231 in words is "one hundred twenty billion, one hundred twelve million, one hundred thousand, two hundred thirty-one".

Divisors: 1 59 139 773 8201 18947 45607 107447 1117873 2633633 6339373 14646031 155384347 864115829 2035798309 120112100231