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420712123223 = 7198193032531
BaseRepresentation
bin1100001111101000110…
…01011000101101010111
31111012221011002020122202
412013310121120231113
523343104300420343
6521134504515115
742252432020630
oct6076431305527
91435834066582
10420712123223
11152472031107
126965377ba9b
133089970b462
1416510c9a887
15ae24e2ddb8
hex61f4658b57

420712123223 has 8 divisors (see below), whose sum is σ = 480838273920. Its totient is φ = 360592077240.

The previous prime is 420712123193. The next prime is 420712123229. The reversal of 420712123223 is 322321217024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420712123223 - 210 = 420712122199 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 (420712123229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377533 + ... + 1654998.

It is an arithmetic number, because the mean of its divisors is an integer number (60104784240).

Almost surely, 2420712123223 is an apocalyptic number.

420712123223 is a deficient number, since it is larger than the sum of its proper divisors (60126150697).

420712123223 is a wasteful number, since it uses less digits than its factorization.

420712123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052357.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 420712123223 in words is "four hundred twenty billion, seven hundred twelve million, one hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 7 19819 138733 3032531 21227717 60101731889 420712123223