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421770474885 = 35431374773049
BaseRepresentation
bin1100010001100110111…
…10101011010110000101
31111022122220120002012110
412020303132223112011
523402241220144020
6521431513011233
742320602612164
oct6106336532605
91438586502173
10421770474885
1115296548a401
12698aa0b3b19
1330a07a69246
14165b16773db
15ae87cd98e0
hex62337ab585

421770474885 has 32 divisors (see below), whose sum is σ = 695567030400. Its totient is φ = 218109201408.

The previous prime is 421770474823. The next prime is 421770474899. The reversal of 421770474885 is 588474077124.

It is not a de Polignac number, because 421770474885 - 29 = 421770474373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2298160 + ... + 2474889.

It is an arithmetic number, because the mean of its divisors is an integer number (21736469700).

Almost surely, 2421770474885 is an apocalyptic number.

It is an amenable number.

421770474885 is a deficient number, since it is larger than the sum of its proper divisors (273796555515).

421770474885 is a wasteful number, since it uses less digits than its factorization.

421770474885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773237.

The product of its (nonzero) digits is 14049280, while the sum is 57.

The spelling of 421770474885 in words is "four hundred twenty-one billion, seven hundred seventy million, four hundred seventy-four thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 43 129 137 215 411 645 685 2055 5891 17673 29455 88365 4773049 14319147 23865245 71595735 205241107 615723321 653907713 1026205535 1961723139 3078616605 3269538565 9808615695 28118031659 84354094977 140590158295 421770474885