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30423515111 = 1153113523883
BaseRepresentation
bin11100010101011000…
…011111111111100111
32220112021012200212222
4130111120133333213
5444301404440421
621550521302555
72124631416533
oct342530377747
986467180788
1030423515111
11119a2310220
125a90934a5b
132b3b04aa62
1416887b0bc3
15bd0dd4cab
hex71561ffe7

30423515111 has 32 divisors (see below), whose sum is σ = 34218692352. Its totient is φ = 26813928960.

The previous prime is 30423515081. The next prime is 30423515131. The reversal of 30423515111 is 11151532403.

It is a cyclic number.

It is not a de Polignac number, because 30423515111 - 26 = 30423515047 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 (30423515131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34454276 + ... + 34455158.

It is an arithmetic number, because the mean of its divisors is an integer number (1069334136).

Almost surely, 230423515111 is an apocalyptic number.

30423515111 is a deficient number, since it is larger than the sum of its proper divisors (3795177241).

30423515111 is a wasteful number, since it uses less digits than its factorization.

30423515111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 1800, while the sum is 26.

It can be divided in two parts, 3042 and 3515111, that added together give a palindrome (3518153).

The spelling of 30423515111 in words is "thirty billion, four hundred twenty-three million, five hundred fifteen thousand, one hundred eleven".

Divisors: 1 11 53 113 523 583 883 1243 5753 5989 9713 27719 46799 59099 65879 99779 304909 461809 514789 650089 1097569 3132247 5079899 5288287 24475877 34454717 52184417 58171157 269234647 574028587 2765774101 30423515111