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312404131102202 = 2436754218002621
BaseRepresentation
bin100011100001000010100000…
…1010000101011110111111010
31111222010112200000222210111122
41013002011001100223313322
5311421412130030232302
63024232250534225242
7122542311412261256
oct10702050120536772
91458115600883448
10312404131102202
11905a5936714977
122b05601b4b5222
13105417772677b9
1457206250d7266
15261b535b983a2
hex11c214142bdfa

312404131102202 has 16 divisors (see below), whose sum is σ = 486660791535072. Its totient is φ = 150292303262640.

The previous prime is 312404131102201. The next prime is 312404131102213. The reversal of 312404131102202 is 202201131404213.

It is a happy number.

It is a super-2 number, since 2×3124041311022022 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312404131102201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27108995549 + ... + 27109007072.

It is an arithmetic number, because the mean of its divisors is an integer number (30416299470942).

Almost surely, 2312404131102202 is an apocalyptic number.

312404131102202 is a deficient number, since it is larger than the sum of its proper divisors (174256660432870).

312404131102202 is a wasteful number, since it uses less digits than its factorization.

312404131102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54218002733.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 312404131102202 its reverse (202201131404213), we get a palindrome (514605262506415).

The spelling of 312404131102202 in words is "three hundred twelve trillion, four hundred four billion, one hundred thirty-one million, one hundred two thousand, two hundred two".

Divisors: 1 2 43 67 86 134 2881 5762 54218002621 108436005242 2331374112703 3632606175607 4662748225406 7265212351214 156202065551101 312404131102202