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40310341421 = 721301632329
BaseRepresentation
bin100101100010101011…
…101111111100101101
310212001022000111220012
4211202223233330231
51130023421411141
630303542303005
72624633151200
oct454253577455
9125038014805
1040310341421
1116106156159
12798ba27a65
133a5546143c
141d458b3937
1510add89ceb
hex962aeff2d

40310341421 has 12 divisors (see below), whose sum is σ = 46927738620. Its totient is φ = 34525108800.

The previous prime is 40310341411. The next prime is 40310341447. The reversal of 40310341421 is 12414301304.

It can be written as a sum of positive squares in 2 ways, for example, as 4792792900 + 35517548521 = 69230^2 + 188461^2 .

It is a de Polignac number, because none of the positive numbers 2k-40310341421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310341411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252416 + ... + 379913.

It is an arithmetic number, because the mean of its divisors is an integer number (3910644885).

Almost surely, 240310341421 is an apocalyptic number.

It is an amenable number.

40310341421 is a deficient number, since it is larger than the sum of its proper divisors (6617397199).

40310341421 is a wasteful number, since it uses less digits than its factorization.

40310341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633644 (or 633637 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40310341421 its reverse (12414301304), we get a palindrome (52724642725).

The spelling of 40310341421 in words is "forty billion, three hundred ten million, three hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 7 49 1301 9107 63749 632329 4426303 30984121 822660029 5758620203 40310341421