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40310011221 = 333413402139
BaseRepresentation
bin100101100010101010…
…011111010101010101
310212001021101201221120
4211202222133111111
51130023330324341
630303531234153
72624630304414
oct454252372525
9125037351846
1040310011221
1116105a50067
12798b8a8959
133a5537705c
141d4582947b
1510add22066
hex962a9f555

40310011221 has 8 divisors (see below), whose sum is σ = 53748423840. Its totient is φ = 26872469712.

The previous prime is 40310011187. The next prime is 40310011229. The reversal of 40310011221 is 12211001304.

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

It is not a de Polignac number, because 40310011221 - 225 = 40276456789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40310011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310011229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100831 + ... + 301308.

It is an arithmetic number, because the mean of its divisors is an integer number (6718552980).

Almost surely, 240310011221 is an apocalyptic number.

It is an amenable number.

40310011221 is a deficient number, since it is larger than the sum of its proper divisors (13438412619).

40310011221 is a wasteful number, since it uses less digits than its factorization.

40310011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435555.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 40310011221 its reverse (12211001304), we get a palindrome (52521012525).

The spelling of 40310011221 in words is "forty billion, three hundred ten million, eleven thousand, two hundred twenty-one".

Divisors: 1 3 33413 100239 402139 1206417 13436670407 40310011221