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420431034032 = 24171545702331
BaseRepresentation
bin1100001111000111010…
…01000111011010110000
31111012012120011102202222
412013203221013122300
523342020321042112
6521050544100212
742242446552622
oct6074351073260
91435176142688
10420431034032
111523383a3699
1269595604668
13308534020a9
14164c580ac12
15ae0a408372
hex61e3a476b0

420431034032 has 20 divisors (see below), whose sum is σ = 862501901256. Its totient is φ = 197849898240.

The previous prime is 420431034031. The next prime is 420431034053. The reversal of 420431034032 is 230430134024.

It is a junction number, because it is equal to n+sod(n) for n = 420431033992 and 420431034010.

It is not an unprimeable number, because it can be changed into a prime (420431034031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 772850894 + ... + 772851437.

Almost surely, 2420431034032 is an apocalyptic number.

It is an amenable number.

420431034032 is an abundant number, since it is smaller than the sum of its proper divisors (442070867224).

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

420431034032 is a wasteful number, since it uses less digits than its factorization.

420431034032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545702356 (or 1545702350 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 420431034032 its reverse (230430134024), we get a palindrome (650861168056).

The spelling of 420431034032 in words is "four hundred twenty billion, four hundred thirty-one million, thirty-four thousand, thirty-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 1545702331 3091404662 6182809324 12365618648 24731237296 26276939627 52553879254 105107758508 210215517016 420431034032