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30203211011 = 1092276072011
BaseRepresentation
bin11100001000010000…
…000110110100000011
32212221220200002110212
4130020100012310003
5443324010223021
621513011344335
72116315025531
oct341020066403
985856602425
1030203211011
1111899a1a516
125a2abb20ab
132b04504abc
141667425151
15bbb8b985b
hex708406d03

30203211011 has 16 divisors (see below), whose sum is σ = 30680263680. Its totient is φ = 29730408480.

The previous prime is 30203210987. The next prime is 30203211019. The reversal of 30203211011 is 11011230203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30203211011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30203211019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15017996 + ... + 15020006.

It is an arithmetic number, because the mean of its divisors is an integer number (1917516480).

Almost surely, 230203211011 is an apocalyptic number.

30203211011 is a deficient number, since it is larger than the sum of its proper divisors (477052669).

30203211011 is a wasteful number, since it uses less digits than its factorization.

30203211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30203211011 its reverse (11011230203), we get a palindrome (41214441214).

The spelling of 30203211011 in words is "thirty billion, two hundred three million, two hundred eleven thousand, eleven".

Divisors: 1 109 227 607 2011 24743 66163 137789 219199 456497 1220677 15019001 49758173 133053793 277093679 30203211011