Search a number
-
+
312303442054 = 21973491118317
BaseRepresentation
bin1001000101101101011…
…11000101100010000110
31002212002222000122100011
410202312233011202012
520104044140121204
6355245322340434
731364112312652
oct4426657054206
91085088018304
10312303442054
111104a117342a
125063995a71a
13235b0ac7b36
141118918ba62
1581cc8bd304
hex48b6bc5886

312303442054 has 16 divisors (see below), whose sum is σ = 493178238000. Its totient is φ = 147912947424.

The previous prime is 312303442049. The next prime is 312303442057. The reversal of 312303442054 is 450244303213.

It is a happy number.

It is a super-2 number, since 2×3123034420542 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312303442057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279897 + ... + 838420.

It is an arithmetic number, because the mean of its divisors is an integer number (30823639875).

Almost surely, 2312303442054 is an apocalyptic number.

312303442054 is a deficient number, since it is larger than the sum of its proper divisors (180874795946).

312303442054 is a wasteful number, since it uses less digits than its factorization.

312303442054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125687.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 312303442054 its reverse (450244303213), we get a palindrome (762547745267).

The spelling of 312303442054 in words is "three hundred twelve billion, three hundred three million, four hundred forty-two thousand, fifty-four".

Divisors: 1 2 19 38 7349 14698 139631 279262 1118317 2236634 21248023 42496046 8218511633 16437023266 156151721027 312303442054