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427114538781 = 371217154310831
BaseRepresentation
bin1100011011100100000…
…00101010011100011101
31111211110100100122200220
412031302000222130131
523444212310220111
6524114054511553
742600203451330
oct6156200523435
91454410318626
10427114538781
11155158027737
126a93b9655b9
1331379c83128
141695b2dc617
15b19c055e06
hex637202a71d

427114538781 has 32 divisors (see below), whose sum is σ = 651858321408. Its totient is φ = 243684357120.

The previous prime is 427114538749. The next prime is 427114538831. The reversal of 427114538781 is 187835411724.

It is not a de Polignac number, because 427114538781 - 25 = 427114538749 is a prime.

It is a super-2 number, since 2×4271145387812 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427114538701) 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, 39429036 + ... + 39439866.

It is an arithmetic number, because the mean of its divisors is an integer number (20370572544).

Almost surely, 2427114538781 is an apocalyptic number.

It is an amenable number.

427114538781 is a deficient number, since it is larger than the sum of its proper divisors (224743782627).

427114538781 is a wasteful number, since it uses less digits than its factorization.

427114538781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13601.

The product of its digits is 1505280, while the sum is 51.

The spelling of 427114538781 in words is "four hundred twenty-seven billion, one hundred fourteen million, five hundred thirty-eight thousand, seven hundred eighty-one".

Divisors: 1 3 7 21 1217 1543 3651 4629 8519 10801 10831 25557 32403 32493 75817 227451 1877831 5633493 13144817 13181327 16712233 39434451 39543981 50136699 92269289 116985631 276807867 350956893 20338787561 61016362683 142371512927 427114538781