Search a number
-
+
6888139325 = 52911302443
BaseRepresentation
bin1100110101001000…
…01010101000111101
3122210001020201210022
412122210022220331
5103101330424300
63055300421525
7332460134564
oct63244125075
918701221708
106888139325
112a151a2031
1214029a78a5
1385a09b9b2
14494b5cbdb
152a4ac0285
hex19a90aa3d

6888139325 has 12 divisors (see below), whose sum is σ = 8550696768. Its totient is φ = 5504444400.

The previous prime is 6888139267. The next prime is 6888139381. The reversal of 6888139325 is 5239318886.

It is not a de Polignac number, because 6888139325 - 26 = 6888139261 is a prime.

It is a super-2 number, since 2×68881393252 = 94892926721222911250, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 128447 + ... + 173996.

It is an arithmetic number, because the mean of its divisors is an integer number (712558064).

Almost surely, 26888139325 is an apocalyptic number.

It is an amenable number.

6888139325 is a deficient number, since it is larger than the sum of its proper divisors (1662557443).

6888139325 is a wasteful number, since it uses less digits than its factorization.

6888139325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303364 (or 303359 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 6888139325 is about 82994.8150488933. The cubic root of 6888139325 is about 1902.6868104881.

The spelling of 6888139325 in words is "six billion, eight hundred eighty-eight million, one hundred thirty-nine thousand, three hundred twenty-five".

Divisors: 1 5 25 911 4555 22775 302443 1512215 7561075 275525573 1377627865 6888139325