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431030203432 = 23557595316249
BaseRepresentation
bin1100100010110110110…
…01101111010000101000
31112012120020101000210121
412101123121233100220
524030222213002212
6530002413053024
743066221164263
oct6213331572050
91465506330717
10431030203432
11156887349524
126b653187174
133185228706a
1416c0d37bcda
15b32abbcd07
hex645b66f428

431030203432 has 32 divisors (see below), whose sum is σ = 809818425000. Its totient is φ = 215078805504.

The previous prime is 431030203411. The next prime is 431030203451. The reversal of 431030203432 is 234302030134.

It can be written as a sum of positive squares in 4 ways, for example, as 152704319076 + 278325884356 = 390774^2 + 527566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 431030203397 and 431030203406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26518444 + ... + 26534692.

Almost surely, 2431030203432 is an apocalyptic number.

It is an amenable number.

431030203432 is a deficient number, since it is larger than the sum of its proper divisors (378788221568).

431030203432 is a wasteful number, since it uses less digits than its factorization.

431030203432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22765 (or 22761 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 431030203432 its reverse (234302030134), we get a palindrome (665332233566).

The spelling of 431030203432 in words is "four hundred thirty-one billion, thirty million, two hundred three thousand, four hundred thirty-two".

Divisors: 1 2 4 8 557 1114 2228 4456 5953 11906 16249 23812 32498 47624 64996 129992 3315821 6631642 9050693 13263284 18101386 26526568 36202772 72405544 96730297 193460594 386921188 773842376 53878775429 107757550858 215515101716 431030203432