Search a number
-
+
918425843349 = 37431017082883
BaseRepresentation
bin11010101110101100111…
…00100011011010010101
310020210121200020220111220
431113112130203122111
5110021414003441344
61541530301120553
7123232306601310
oct15272634433225
93223550226456
10918425843349
11324558499703
12129bb6b59159
13687b7ca8cb1
14326485c3977
1518d54ea0c19
hexd5d6723695

918425843349 has 16 divisors (see below), whose sum is σ = 1432052700672. Its totient is φ = 512609772528.

The previous prime is 918425843347. The next prime is 918425843369. The reversal of 918425843349 is 943348524819.

It is a happy number.

It is not a de Polignac number, because 918425843349 - 21 = 918425843347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 918425843292 and 918425843301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918425843347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508540539 + ... + 508542344.

It is an arithmetic number, because the mean of its divisors is an integer number (89503293792).

Almost surely, 2918425843349 is an apocalyptic number.

It is an amenable number.

918425843349 is a deficient number, since it is larger than the sum of its proper divisors (513626857323).

918425843349 is a wasteful number, since it uses less digits than its factorization.

918425843349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017082936.

The product of its digits is 29859840, while the sum is 60.

The spelling of 918425843349 in words is "nine hundred eighteen billion, four hundred twenty-five million, eight hundred forty-three thousand, three hundred forty-nine".

Divisors: 1 3 7 21 43 129 301 903 1017082883 3051248649 7119580181 21358740543 43734563969 131203691907 306141947783 918425843349