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30212012013224 = 233776501501653
BaseRepresentation
bin1101101111010010010000…
…01111100111011010101000
310221222020111001200221101012
412313221020033213122220
512424443200033410344
6144131112352243052
76235513551643016
oct667511017473250
9127866431627335
1030212012013224
11969892a179608
12347b359840488
1313b1c9923ac52
147663aa8d58b6
15375d3ca9329e
hex1b7a483e76a8

30212012013224 has 8 divisors (see below), whose sum is σ = 56647522524810. Its totient is φ = 15106006006608.

The previous prime is 30212012013167. The next prime is 30212012013229. The reversal of 30212012013224 is 42231021021203.

It can be written as a sum of positive squares in only one way, i.e., 29675060140324 + 536951872900 = 5447482^2 + 732770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30212012013224.

It is not an unprimeable number, because it can be changed into a prime (30212012013229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1888250750819 + ... + 1888250750834.

Almost surely, 230212012013224 is an apocalyptic number.

It is an amenable number.

30212012013224 is a deficient number, since it is larger than the sum of its proper divisors (26435510511586).

30212012013224 is a wasteful number, since it uses less digits than its factorization.

30212012013224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776501501659 (or 3776501501655 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30212012013224 its reverse (42231021021203), we get a palindrome (72443033034427).

The spelling of 30212012013224 in words is "thirty trillion, two hundred twelve billion, twelve million, thirteen thousand, two hundred twenty-four".

Divisors: 1 2 4 8 3776501501653 7553003003306 15106006006612 30212012013224