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42210220446 = 2331390756207
BaseRepresentation
bin100111010011111011…
…001101100110011110
311000221200222100222000
4213103323031212132
51142421304023241
631220251303130
73023002645122
oct472373154636
9130850870860
1042210220446
11169a0629409
12822014aaa6
133c98c51c04
142085d49582
151170a71eb6
hex9d3ecd99e

42210220446 has 32 divisors (see below), whose sum is σ = 93808903680. Its totient is φ = 14068811448.

The previous prime is 42210220433. The next prime is 42210220483. The reversal of 42210220446 is 64402201224.

42210220446 is a `hidden beast` number, since 4 + 2 + 210 + 2 + 2 + 0 + 446 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722875 + ... + 779081.

It is an arithmetic number, because the mean of its divisors is an integer number (2931528240).

Almost surely, 242210220446 is an apocalyptic number.

42210220446 is an abundant number, since it is smaller than the sum of its proper divisors (51598683234).

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

42210220446 is a wasteful number, since it uses less digits than its factorization.

42210220446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70125 (or 70119 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The spelling of 42210220446 in words is "forty-two billion, two hundred ten million, two hundred twenty thousand, four hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 13907 27814 41721 56207 83442 112414 125163 168621 250326 337242 375489 505863 750978 1011726 1517589 3035178 781670749 1563341498 2345012247 4690024494 7035036741 14070073482 21105110223 42210220446