Search a number
-
+
305105435236 = 22764879167953
BaseRepresentation
bin1000111000010011011…
…00110111101001100100
31002011112022201000021001
410130021230313221210
514444323442411421
6352055152203044
731020540260230
oct4341154675144
91064468630231
10305105435236
11108438078368
124b16b239484
1322a04784bc4
1410aa520b5c0
157e0a9e0691
hex4709b37a64

305105435236 has 24 divisors (see below), whose sum is σ = 610223909120. Its totient is φ = 130756678272.

The previous prime is 305105435207. The next prime is 305105435273. The reversal of 305105435236 is 632534501503.

It is a super-2 number, since 2×3051054352362 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305105435195 and 305105435204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732636 + ... + 1900588.

Almost surely, 2305105435236 is an apocalyptic number.

It is an amenable number.

305105435236 is an abundant number, since it is smaller than the sum of its proper divisors (305118473884).

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

305105435236 is a wasteful number, since it uses less digits than its factorization.

305105435236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232843 (or 232841 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 305105435236 its reverse (632534501503), we get a palindrome (937639936739).

The spelling of 305105435236 in words is "three hundred five billion, one hundred five million, four hundred thirty-five thousand, two hundred thirty-six".

Divisors: 1 2 4 7 14 28 64879 129758 167953 259516 335906 454153 671812 908306 1175671 1816612 2351342 4702684 10896622687 21793245374 43586490748 76276358809 152552717618 305105435236