Search a number
-
+
311935539112 = 23237921459517
BaseRepresentation
bin1001000101000001100…
…11101001011110101000
31002211011022202020101021
410202200303221132220
520102320444222422
6355145021102224
731352024222431
oct4424063513650
91084138666337
10311935539112
1111032253050a
12505566b7974
1323552813ba2
1411152380488
1581aa449dc7
hex48a0ce97a8

311935539112 has 32 divisors (see below), whose sum is σ = 618034118400. Its totient is φ = 147298117824.

The previous prime is 311935539101. The next prime is 311935539169. The reversal of 311935539112 is 211935539113.

It is a super-2 number, since 2×3119355391122 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10715223 + ... + 10744294.

It is an arithmetic number, because the mean of its divisors is an integer number (19313566200).

Almost surely, 2311935539112 is an apocalyptic number.

It is an amenable number.

311935539112 is a deficient number, since it is larger than the sum of its proper divisors (306098579288).

311935539112 is a wasteful number, since it uses less digits than its factorization.

311935539112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21459625 (or 21459621 counting only the distinct ones).

The product of its digits is 109350, while the sum is 43.

Subtracting from 311935539112 its reverse (211935539113), we obtain a palindrome (99999999999).

The spelling of 311935539112 in words is "three hundred eleven billion, nine hundred thirty-five million, five hundred thirty-nine thousand, one hundred twelve".

Divisors: 1 2 4 8 23 46 79 92 158 184 316 632 1817 3634 7268 14536 21459517 42919034 85838068 171676136 493568891 987137782 1695301843 1974275564 3390603686 3948551128 6781207372 13562414744 38991942389 77983884778 155967769556 311935539112