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303431401144 = 23191571979899
BaseRepresentation
bin1000110101001011110…
…10111011111010111000
31002000012122201021012101
410122211322323322320
514432411414314034
6351221111553144
730631212232324
oct4324572737270
91060178637171
10303431401144
1110775912a813
124a98268b7b4
13227c89ca3a1
1410986b64984
157d5da6a514
hex46a5ebbeb8

303431401144 has 16 divisors (see below), whose sum is σ = 568963863000. Its totient is φ = 151707704352.

The previous prime is 303431401129. The next prime is 303431401151. The reversal of 303431401144 is 441104134303.

It is a happy number.

It is a super-2 number, since 2×3034314011442 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836694 + ... + 1143205.

Almost surely, 2303431401144 is an apocalyptic number.

It is an amenable number.

303431401144 is a deficient number, since it is larger than the sum of its proper divisors (265532461856).

303431401144 is a wasteful number, since it uses less digits than its factorization.

303431401144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999062 (or 1999058 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 303431401144 its reverse (441104134303), we get a palindrome (744535535447).

The spelling of 303431401144 in words is "three hundred three billion, four hundred thirty-one million, four hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 8 19157 38314 76628 153256 1979899 3959798 7919596 15839192 37928925143 75857850286 151715700572 303431401144