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3842125369 = 6735708953
BaseRepresentation
bin1110010100000010…
…0010111000111001
3100220202122012011121
43211000202320321
530332041002434
61433130025241
7164132345455
oct34500427071
910822565147
103842125369
1116a1863725
128b2878221
13492cc6484
142863b9665
1517748c7b4
hexe5022e39

3842125369 has 4 divisors (see below), whose sum is σ = 3847834996. Its totient is φ = 3836415744.

The previous prime is 3842125363. The next prime is 3842125387. The reversal of 3842125369 is 9635212483.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2110483600 + 1731641769 = 45940^2 + 41613^2 .

It is a cyclic number.

It is not a de Polignac number, because 3842125369 - 29 = 3842124857 is a prime.

It is a super-2 number, since 2×38421253692 = 29523854702226772322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3842125363) 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, 2853804 + ... + 2855149.

It is an arithmetic number, because the mean of its divisors is an integer number (961958749).

Almost surely, 23842125369 is an apocalyptic number.

It is an amenable number.

3842125369 is a deficient number, since it is larger than the sum of its proper divisors (5709627).

3842125369 is an equidigital number, since it uses as much as digits as its factorization.

3842125369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709626.

The product of its digits is 311040, while the sum is 43.

The square root of 3842125369 is about 61984.8801644401. The cubic root of 3842125369 is about 1566.2359107629.

The spelling of 3842125369 in words is "three billion, eight hundred forty-two million, one hundred twenty-five thousand, three hundred sixty-nine".

Divisors: 1 673 5708953 3842125369