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30461333144 = 23111039933287
BaseRepresentation
bin11100010111101000…
…110000111010011000
32220121220101001110212
4130113220300322120
5444341100130034
621554352030252
72125601026304
oct342750607230
986556331425
1030461333144
1111a116a04a0
125aa1532388
132b45b2c3a8
14168d816d04
15bd43a52ce
hex717a30e98

30461333144 has 32 divisors (see below), whose sum is σ = 62315136000. Its totient is φ = 13844313120.

The previous prime is 30461333117. The next prime is 30461333153. The reversal of 30461333144 is 44133316403.

It is a self number, because there is not a number n which added to its sum of digits gives 30461333144.

It is a congruent number.

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, 898469 + ... + 931755.

It is an arithmetic number, because the mean of its divisors is an integer number (1947348000).

Almost surely, 230461333144 is an apocalyptic number.

It is an amenable number.

30461333144 is an abundant number, since it is smaller than the sum of its proper divisors (31853802856).

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

30461333144 is a wasteful number, since it uses less digits than its factorization.

30461333144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43703 (or 43699 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 30461333144 its reverse (44133316403), we get a palindrome (74594649547).

The spelling of 30461333144 in words is "thirty billion, four hundred sixty-one million, three hundred thirty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 10399 20798 33287 41596 66574 83192 114389 133148 228778 266296 366157 457556 732314 915112 1464628 2929256 346151513 692303026 1384606052 2769212104 3807666643 7615333286 15230666572 30461333144