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30164220412 = 22192317256419
BaseRepresentation
bin11100000101111011…
…010111100111111100
32212212012022011102121
4130011323113213330
5443234020023122
621505055532324
72115332433364
oct340573274774
985765264377
1030164220412
1111879a09287
125a19b2a0a4
132ac9402841
1416621959a4
15bb8266bc7
hex705ed79fc

30164220412 has 24 divisors (see below), whose sum is σ = 57981571200. Its totient is φ = 13667083056.

The previous prime is 30164220397. The next prime is 30164220479. The reversal of 30164220412 is 21402246103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8626462 + ... + 8629957.

It is an arithmetic number, because the mean of its divisors is an integer number (2415898800).

Almost surely, 230164220412 is an apocalyptic number.

It is an amenable number.

30164220412 is a deficient number, since it is larger than the sum of its proper divisors (27817350788).

30164220412 is a wasteful number, since it uses less digits than its factorization.

30164220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17256465 (or 17256463 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 30164220412 its reverse (21402246103), we get a palindrome (51566466515).

The spelling of 30164220412 in words is "thirty billion, one hundred sixty-four million, two hundred twenty thousand, four hundred twelve".

Divisors: 1 2 4 19 23 38 46 76 92 437 874 1748 17256419 34512838 69025676 327871961 396897637 655743922 793795274 1311487844 1587590548 7541055103 15082110206 30164220412