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42545152015 = 58509030403
BaseRepresentation
bin100111100111111000…
…111000000000001111
311001211001012122200221
4213213320320000033
51144113024331030
631313414132211
73034210553032
oct474770700017
9131731178627
1042545152015
11170526a1463
1282b4351067
134020460582
1420b8613019
151190180e7a
hex9e7e3800f

42545152015 has 4 divisors (see below), whose sum is σ = 51054182424. Its totient is φ = 34036121608.

The previous prime is 42545152007. The next prime is 42545152073. The reversal of 42545152015 is 51025154524.

42545152015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42545152015 - 23 = 42545152007 is a prime.

It is a Duffinian number.

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, 4254515197 + ... + 4254515206.

It is an arithmetic number, because the mean of its divisors is an integer number (12763545606).

Almost surely, 242545152015 is an apocalyptic number.

42545152015 is a deficient number, since it is larger than the sum of its proper divisors (8509030409).

42545152015 is an equidigital number, since it uses as much as digits as its factorization.

42545152015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509030408.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 42545152015 in words is "forty-two billion, five hundred forty-five million, one hundred fifty-two thousand, fifteen".

Divisors: 1 5 8509030403 42545152015