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15042515429 = 43934265411
BaseRepresentation
bin11100000001001101…
…01001000111100101
31102211100010221220002
432000212221013211
5221301340443204
610524353151045
71041524162054
oct160046510745
942740127802
1015042515429
11641a120537
122ab985b485
1315595b3806
14a29b3039b
155d091191e
hex3809a91e5

15042515429 has 4 divisors (see below), whose sum is σ = 15076781280. Its totient is φ = 15008249580.

The previous prime is 15042515419. The next prime is 15042515431. The reversal of 15042515429 is 92451524051.

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: 92451524051 = 761121486891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15042515429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15042515392 and 15042515401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15042515419) 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, 17132267 + ... + 17133144.

It is an arithmetic number, because the mean of its divisors is an integer number (3769195320).

Almost surely, 215042515429 is an apocalyptic number.

It is an amenable number.

15042515429 is a deficient number, since it is larger than the sum of its proper divisors (34265851).

15042515429 is an equidigital number, since it uses as much as digits as its factorization.

15042515429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34265850.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 15042515429 in words is "fifteen billion, forty-two million, five hundred fifteen thousand, four hundred twenty-nine".

Divisors: 1 439 34265411 15042515429