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30420561201 = 329479776697
BaseRepresentation
bin11100010101001101…
…001110110100110001
32220112001122121212220
4130111031032310301
5444300130424301
621550334111253
72124564334542
oct342515166461
986461577786
1030420561201
11119a0682978
125a8b94b529
132b3a555394
1416882424c9
15bd09ee936
hex71534ed31

30420561201 has 32 divisors (see below), whose sum is σ = 43294487040. Its totient is φ = 18966614016.

The previous prime is 30420561191. The next prime is 30420561203. The reversal of 30420561201 is 10216502403.

It is not a de Polignac number, because 30420561201 - 26 = 30420561137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30420561203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358285 + ... + 434981.

It is an arithmetic number, because the mean of its divisors is an integer number (1352952720).

Almost surely, 230420561201 is an apocalyptic number.

It is an amenable number.

30420561201 is a deficient number, since it is larger than the sum of its proper divisors (12873925839).

30420561201 is a wasteful number, since it uses less digits than its factorization.

30420561201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76873.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 30420561201 in words is "thirty billion, four hundred twenty million, five hundred sixty-one thousand, two hundred one".

Divisors: 1 3 29 47 87 97 141 291 1363 2813 4089 4559 8439 13677 76697 132211 230091 396633 2224213 3604759 6672639 7439609 10814277 22318827 104538011 215748661 313614033 349661623 647245983 1048984869 10140187067 30420561201