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3115502142 = 23538196497
BaseRepresentation
bin1011100110110010…
…1100101000111110
322001010100220111020
42321230230220332
522340032032032
61233052005010
7140130221424
oct27154545076
98033326436
103115502142
11135968a965
1272b460766
133a85c50bc
14217ab1114
151337abb2c
hexb9b2ca3e

3115502142 has 16 divisors (see below), whose sum is σ = 6232226832. Its totient is φ = 1038296960.

The previous prime is 3115502141. The next prime is 3115502147. The reversal of 3115502142 is 2412055113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115502141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15963 + ... + 80534.

It is an arithmetic number, because the mean of its divisors is an integer number (389514177).

Almost surely, 23115502142 is an apocalyptic number.

3115502142 is an abundant number, since it is smaller than the sum of its proper divisors (3116724690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3115502142 is a wasteful number, since it uses less digits than its factorization.

3115502142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101883.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 3115502142 is about 55816.6833661765. The cubic root of 3115502142 is about 1460.5261977079.

Adding to 3115502142 its reverse (2412055113), we get a palindrome (5527557255).

The spelling of 3115502142 in words is "three billion, one hundred fifteen million, five hundred two thousand, one hundred forty-two".

Divisors: 1 2 3 6 5381 10762 16143 32286 96497 192994 289491 578982 519250357 1038500714 1557751071 3115502142