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402241043405 = 5661121706821
BaseRepresentation
bin1011101101001110110…
…11110011101111001101
31102110020212111011121102
411312213123303233031
523042242201342110
6504441553312445
741026623312155
oct5664733635715
91373225434542
10402241043405
11145653645493
1265b59865725
132bc14a10426
141567ba85765
15a6e35215a5
hex5da76f3bcd

402241043405 has 8 divisors (see below), whose sum is σ = 483419496984. Its totient is φ = 321306004800.

The previous prime is 402241043371. The next prime is 402241043411. The reversal of 402241043405 is 504340142204.

It can be written as a sum of positive squares in 4 ways, for example, as 176210211076 + 226030832329 = 419774^2 + 475427^2 .

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

It is not a de Polignac number, because 402241043405 - 212 = 402241039309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60850106 + ... + 60856715.

It is an arithmetic number, because the mean of its divisors is an integer number (60427437123).

Almost surely, 2402241043405 is an apocalyptic number.

It is an amenable number.

402241043405 is a deficient number, since it is larger than the sum of its proper divisors (81178453579).

402241043405 is a wasteful number, since it uses less digits than its factorization.

402241043405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121707487.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 402241043405 its reverse (504340142204), we get a palindrome (906581185609).

The spelling of 402241043405 in words is "four hundred two billion, two hundred forty-one million, forty-three thousand, four hundred five".

Divisors: 1 5 661 3305 121706821 608534105 80448208681 402241043405