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1020421312014 = 231313082324513
BaseRepresentation
bin11101101100101011101…
…10011000111000001110
310121112212220201120011110
432312111312120320032
5113204310323441024
62100435230032450
7133502664016566
oct16662566307016
93545786646143
101020421312014
11363838256965
12145921048726
13752c1037410
143756267dda6
151b8244a5629
hexed95d98e0e

1020421312014 has 16 divisors (see below), whose sum is σ = 2197830518352. Its totient is φ = 313975788288.

The previous prime is 1020421311989. The next prime is 1020421312019. The reversal of 1020421312014 is 4102131240201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020421312019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6541162179 + ... + 6541162334.

It is an arithmetic number, because the mean of its divisors is an integer number (137364407397).

Almost surely, 21020421312014 is an apocalyptic number.

1020421312014 is an abundant number, since it is smaller than the sum of its proper divisors (1177409206338).

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

1020421312014 is a wasteful number, since it uses less digits than its factorization.

1020421312014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13082324531.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1020421312014 its reverse (4102131240201), we get a palindrome (5122552552215).

The spelling of 1020421312014 in words is "one trillion, twenty billion, four hundred twenty-one million, three hundred twelve thousand, fourteen".

Divisors: 1 2 3 6 13 26 39 78 13082324513 26164649026 39246973539 78493947078 170070218669 340140437338 510210656007 1020421312014