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102430423134 = 232132319032037
BaseRepresentation
bin101111101100101010…
…1000011100001011110
3100210101112220122000100
41133121111003201132
53134234142020014
6115020023241530
710254215142144
oct1373125034136
9323345818010
10102430423134
113a493337a66
1217a278a92a6
1398751bab40
144d59b5d594
1529e77c0009
hex17d954385e

102430423134 has 48 divisors (see below), whose sum is σ = 249395825952. Its totient is φ = 30146745024.

The previous prime is 102430423099. The next prime is 102430423163. The reversal of 102430423134 is 431324034201.

102430423134 is a `hidden beast` number, since 102 + 4 + 3 + 0 + 423 + 134 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 102430423098 and 102430423107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9510637 + ... + 9521400.

It is an arithmetic number, because the mean of its divisors is an integer number (5195746374).

Almost surely, 2102430423134 is an apocalyptic number.

102430423134 is an abundant number, since it is smaller than the sum of its proper divisors (146965402818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102430423134 is a wasteful number, since it uses less digits than its factorization.

102430423134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19032081 (or 19032078 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 102430423134 its reverse (431324034201), we get a palindrome (533754457335).

The spelling of 102430423134 in words is "one hundred two billion, four hundred thirty million, four hundred twenty-three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 13 18 23 26 39 46 69 78 117 138 207 234 299 414 598 897 1794 2691 5382 19032037 38064074 57096111 114192222 171288333 247416481 342576666 437736851 494832962 742249443 875473702 1313210553 1484498886 2226748329 2626421106 3939631659 4453496658 5690579063 7879263318 11381158126 17071737189 34143474378 51215211567 102430423134