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30202440103 = 11211312717393
BaseRepresentation
bin11100001000001101…
…001010100110100111
32212221212012220222201
4130020031022212213
5443323311040403
621512543035331
72116305335143
oct341015124647
985855186881
1030202440103
1111899543300
125a2a89bb47
132b042c4c44
1416672a4223
15bbb7b621d
hex70834a9a7

30202440103 has 24 divisors (see below), whose sum is σ = 33757161984. Its totient is φ = 26997949440.

The previous prime is 30202440097. The next prime is 30202440127. The reversal of 30202440103 is 30104420203.

It is a de Polignac number, because none of the positive numbers 2k-30202440103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202440803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1727775 + ... + 1745167.

It is an arithmetic number, because the mean of its divisors is an integer number (1406548416).

Almost surely, 230202440103 is an apocalyptic number.

30202440103 is a deficient number, since it is larger than the sum of its proper divisors (3554721881).

30202440103 is a wasteful number, since it uses less digits than its factorization.

30202440103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17655 (or 17644 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30202440103 its reverse (30104420203), we get a palindrome (60306860306).

The spelling of 30202440103 in words is "thirty billion, two hundred two million, four hundred forty thousand, one hundred three".

Divisors: 1 11 113 121 127 1243 1397 13673 14351 15367 17393 157861 191323 1736471 1965409 2104553 2208911 21619499 24298021 237814489 249606943 267278231 2745676373 30202440103