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11830129045 = 57248286241
BaseRepresentation
bin10110000010010000…
…10111000110010101
31010112110110211012121
423001020113012111
5143212003112140
65233520415541
7566106303100
oct130110270625
933473424177
1011830129045
115020888059
122361a775b1
131166bc9177
1480323d737
154938b864a
hex2c1217195

11830129045 has 12 divisors (see below), whose sum is σ = 16513894764. Its totient is φ = 8112088320.

The previous prime is 11830129039. The next prime is 11830129081. The reversal of 11830129045 is 54092103811.

It can be written as a sum of positive squares in 2 ways, for example, as 3237951409 + 8592177636 = 56903^2 + 92694^2 .

It is not a de Polignac number, because 11830129045 - 25 = 11830129013 is a prime.

It is a super-2 number, since 2×118301290452 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11830129045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24142876 + ... + 24143365.

It is an arithmetic number, because the mean of its divisors is an integer number (1376157897).

Almost surely, 211830129045 is an apocalyptic number.

It is an amenable number.

11830129045 is a deficient number, since it is larger than the sum of its proper divisors (4683765719).

11830129045 is an equidigital number, since it uses as much as digits as its factorization.

11830129045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48286260 (or 48286253 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 11830129045 in words is "eleven billion, eight hundred thirty million, one hundred twenty-nine thousand, forty-five".

Divisors: 1 5 7 35 49 245 48286241 241431205 338003687 1690018435 2366025809 11830129045