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140442032512021 = 3716722728925799
BaseRepresentation
bin11111111011101100110101…
…011101011001110000010101
3200102021010102201101202102111
4133323230311131121300111
5121402000240310341041
61214410102401511021
741403413326452652
oct3773546535316025
9612233381352374
10140442032512021
114082714a044a89
1213902734642471
13604981c21cb16
14269760597ac29
151138346052981
hex7fbb35759c15

140442032512021 has 8 divisors (see below), whose sum is σ = 145101462307200. Its totient is φ = 135828060568848.

The previous prime is 140442032512003. The next prime is 140442032512027. The reversal of 140442032512021 is 120215230244041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140442032512021 - 235 = 140407672773653 is a prime.

It is a super-2 number, since 2×1404420325120212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140442032512027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11364456721 + ... + 11364469078.

It is an arithmetic number, because the mean of its divisors is an integer number (18137682788400).

Almost surely, 2140442032512021 is an apocalyptic number.

It is an amenable number.

140442032512021 is a deficient number, since it is larger than the sum of its proper divisors (4659429795179).

140442032512021 is a wasteful number, since it uses less digits than its factorization.

140442032512021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22728926003.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 140442032512021 its reverse (120215230244041), we get a palindrome (260657262756062).

The spelling of 140442032512021 in words is "one hundred forty trillion, four hundred forty-two billion, thirty-two million, five hundred twelve thousand, twenty-one".

Divisors: 1 37 167 6179 22728925799 840970254563 3795730608433 140442032512021