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120125115029 = 177066183237
BaseRepresentation
bin110111111100000000…
…0111100101010010101
3102111001201121010001102
41233320000330222111
53432004012140104
6131103522035445
711451545426153
oct1577000745225
9374051533042
10120125115029
1146a4354a977
121b3457a8b85
13b4350b252a
145b57bd43d3
1531d0e6ba1e
hex1bf803ca95

120125115029 has 4 divisors (see below), whose sum is σ = 127191298284. Its totient is φ = 113058931776.

The previous prime is 120125115023. The next prime is 120125115049. The reversal of 120125115029 is 920511521021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920511521021 = 2833252690887.

It can be written as a sum of positive squares in 2 ways, for example, as 45526756900 + 74598358129 = 213370^2 + 273127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120125115029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120125114992 and 120125115010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120125115023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3533091602 + ... + 3533091635.

It is an arithmetic number, because the mean of its divisors is an integer number (31797824571).

Almost surely, 2120125115029 is an apocalyptic number.

It is an amenable number.

120125115029 is a deficient number, since it is larger than the sum of its proper divisors (7066183255).

120125115029 is an equidigital number, since it uses as much as digits as its factorization.

120125115029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066183254.

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 120125115029 in words is "one hundred twenty billion, one hundred twenty-five million, one hundred fifteen thousand, twenty-nine".

Divisors: 1 17 7066183237 120125115029