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434432312420 = 22521721615621
BaseRepresentation
bin1100101001001100010…
…11110000010001100100
31112112100100001001222012
412110212023300101210
524104204132444140
6531324144053352
743246431504341
oct6244613602144
91475310031865
10434432312420
11158272795347
1270242604258
1331c7506aac2
14170531377c8
15b4796e0265
hex65262f0464

434432312420 has 12 divisors (see below), whose sum is σ = 912307856124. Its totient is φ = 173772924960.

The previous prime is 434432312389. The next prime is 434432312429. The reversal of 434432312420 is 24213234434.

It can be written as a sum of positive squares in 2 ways, for example, as 186850436644 + 247581875776 = 432262^2 + 497576^2 .

It is not an unprimeable number, because it can be changed into a prime (434432312429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10860807791 + ... + 10860807830.

It is an arithmetic number, because the mean of its divisors is an integer number (76025654677).

Almost surely, 2434432312420 is an apocalyptic number.

It is an amenable number.

434432312420 is an abundant number, since it is smaller than the sum of its proper divisors (477875543704).

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

434432312420 is a wasteful number, since it uses less digits than its factorization.

434432312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721615630 (or 21721615628 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 434432312420 its reverse (24213234434), we get a palindrome (458645546854).

The spelling of 434432312420 in words is "four hundred thirty-four billion, four hundred thirty-two million, three hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 21721615621 43443231242 86886462484 108608078105 217216156210 434432312420