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420794429253 = 311349338910781
BaseRepresentation
bin1100001111110010100…
…11010110111101000101
31111020010212221211022020
412013321103112331011
523343241333214003
6521151004553353
742254451430122
oct6077123267505
91436125854266
10420794429253
11152504537920
1269677252859
13308b0798353
141651bba3749
15ae2c28ad53
hex61f94d6f45

420794429253 has 32 divisors (see below), whose sum is σ = 614056464000. Its totient is φ = 254197574400.

The previous prime is 420794429239. The next prime is 420794429299. The reversal of 420794429253 is 352924497024.

It is not a de Polignac number, because 420794429253 - 25 = 420794429221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420794429196 and 420794429205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420794429213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39025723 + ... + 39036503.

It is an arithmetic number, because the mean of its divisors is an integer number (19189264500).

Almost surely, 2420794429253 is an apocalyptic number.

It is an amenable number.

420794429253 is a deficient number, since it is larger than the sum of its proper divisors (193262034747).

420794429253 is a wasteful number, since it uses less digits than its factorization.

420794429253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 420794429253 in words is "four hundred twenty billion, seven hundred ninety-four million, four hundred twenty-nine thousand, two hundred fifty-three".

Divisors: 1 3 11 33 349 1047 3389 3839 10167 10781 11517 32343 37279 111837 118591 355773 1182761 3548283 3762569 11287707 13010371 36536809 39031113 41388259 109610427 124164777 401904899 1205714697 12751346341 38254039023 140264809751 420794429253