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40132341421 = 73943542747
BaseRepresentation
bin100101011000000100…
…101110111010101101
310211120220002011210121
4211120010232322231
51124142334411141
630234143204541
72620342162564
oct453004567255
9124526064717
1040132341421
111602472a117
1279402a6751
133a2760a9b3
141d29dbabdb
15109d4291d1
hex95812eead

40132341421 has 4 divisors (see below), whose sum is σ = 40132958112. Its totient is φ = 40131724732.

The previous prime is 40132341391. The next prime is 40132341427. The reversal of 40132341421 is 12414323104.

40132341421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40132341421 - 225 = 40098786989 is a prime.

It is a super-2 number, since 2×401323414212 (a number of 22 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 (40132341427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197431 + ... + 345316.

It is an arithmetic number, because the mean of its divisors is an integer number (10033239528).

Almost surely, 240132341421 is an apocalyptic number.

It is an amenable number.

40132341421 is a deficient number, since it is larger than the sum of its proper divisors (616691).

40132341421 is an equidigital number, since it uses as much as digits as its factorization.

40132341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616690.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40132341421 its reverse (12414323104), we get a palindrome (52546664525).

The spelling of 40132341421 in words is "forty billion, one hundred thirty-two million, three hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 73943 542747 40132341421