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427285362021 = 37267421103049
BaseRepresentation
bin1100011011111000011…
…00010011010101100101
31111211220020210101010120
412031330030103111211
524000040023041041
6524143040112153
742604346436300
oct6157414232545
91454806711116
10427285362021
111552354a1771
126a989005659
13313a649307b
1416975c87b37
15b1ac04a366
hex637c313565

427285362021 has 48 divisors (see below), whose sum is σ = 674223998400. Its totient is φ = 239945207040.

The previous prime is 427285362017. The next prime is 427285362043. The reversal of 427285362021 is 120263582724.

It is not a de Polignac number, because 427285362021 - 22 = 427285362017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427285362011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4094905 + ... + 4197953.

It is an arithmetic number, because the mean of its divisors is an integer number (14046333300).

Almost surely, 2427285362021 is an apocalyptic number.

It is an amenable number.

427285362021 is a deficient number, since it is larger than the sum of its proper divisors (246938636379).

427285362021 is a wasteful number, since it uses less digits than its factorization.

427285362021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103554 (or 103547 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 427285362021 in words is "four hundred twenty-seven billion, two hundred eighty-five million, three hundred sixty-two thousand, twenty-one".

Divisors: 1 3 7 21 49 67 147 201 421 469 1263 1407 2947 3283 8841 9849 20629 28207 61887 84621 103049 197449 309147 592347 721343 1382143 2164029 4146429 5049401 6904283 15148203 20712849 43383629 48329981 130150887 144989943 303685403 338309867 911056209 1014929601 2125797821 2906703143 6377393463 8720109429 20346922001 61040766003 142428454007 427285362021