Search a number
-
+
303251145434 = 231103112942061
BaseRepresentation
bin1000110100110110010…
…11010100001011011010
31001222202002112022211222
410122123023110023122
514432024243123214
6351151152252042
730623563130426
oct4323313241332
91058662468758
10303251145434
11107676402a56
124a932241022
132279a566cc3
141096ac41b86
157d4cd1138e
hex469b2d42da

303251145434 has 32 divisors (see below), whose sum is σ = 474540119040. Its totient is φ = 145177660800.

The previous prime is 303251145427. The next prime is 303251145473. The reversal of 303251145434 is 434541152303.

It is a super-2 number, since 2×3032511454342 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 303251145394 and 303251145403.

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 15 ways as a sum of consecutive naturals, for example, 7188764 + ... + 7230824.

It is an arithmetic number, because the mean of its divisors is an integer number (14829378720).

Almost surely, 2303251145434 is an apocalyptic number.

303251145434 is a deficient number, since it is larger than the sum of its proper divisors (171288973606).

303251145434 is a wasteful number, since it uses less digits than its factorization.

303251145434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43326.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 303251145434 its reverse (434541152303), we get a palindrome (737792297737).

The spelling of 303251145434 in words is "three hundred three billion, two hundred fifty-one million, one hundred forty-five thousand, four hundred thirty-four".

Divisors: 1 2 31 62 103 206 1129 2258 3193 6386 34999 42061 69998 84122 116287 232574 1303891 2607782 3604897 4332283 7209794 8664566 47486869 94973738 134300773 268601546 1472092939 2944185878 4891147507 9782295014 151625572717 303251145434