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30202230311 = 11171910382529
BaseRepresentation
bin11100001000001100…
…010111011000100111
32212221211211021012122
4130020030113120213
5443323232332221
621512534340155
72116303502411
oct341014273047
985854737178
1030202230311
111189940a720
125a2a7ba65b
132b042505c6
14166724b9b1
15bbb773eab
hex708317627

30202230311 has 32 divisors (see below), whose sum is σ = 37079078400. Its totient is φ = 24243425280.

The previous prime is 30202230301. The next prime is 30202230323. The reversal of 30202230311 is 11303220203.

It is a de Polignac number, because none of the positive numbers 2k-30202230311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30202230311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202230301) 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, 324695 + ... + 407223.

It is an arithmetic number, because the mean of its divisors is an integer number (1158721200).

Almost surely, 230202230311 is an apocalyptic number.

30202230311 is a deficient number, since it is larger than the sum of its proper divisors (6876848089).

30202230311 is a wasteful number, since it uses less digits than its factorization.

30202230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82679.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30202230311 its reverse (11303220203), we get a palindrome (41505450514).

The spelling of 30202230311 in words is "thirty billion, two hundred two million, two hundred thirty thousand, three hundred eleven".

Divisors: 1 11 17 19 103 187 209 323 1133 1751 1957 3553 19261 21527 33269 82529 365959 907819 1402993 1568051 8500487 15432923 17248561 26656867 93505357 144508279 161509253 293225537 1589591069 1776601783 2745657301 30202230311