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312035552101 = 71331711579923
BaseRepresentation
bin1001000101001101100…
…01001010101101100101
31002211102021221102102001
410202212301022231211
520103022100131401
6355202552445301
731354350300460
oct4424661125545
91084367842361
10312035552101
11110373a30779
12505840a9831
132356a460580
14111617762d7
1581b4103601
hex48a6c4ab65

312035552101 has 64 divisors (see below), whose sum is σ = 404617199616. Its totient is φ = 234032198400.

The previous prime is 312035552047. The next prime is 312035552111. The reversal of 312035552101 is 101255530213.

It is not a de Polignac number, because 312035552101 - 217 = 312035421029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312035552101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312035552111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31440726 + ... + 31450648.

It is an arithmetic number, because the mean of its divisors is an integer number (6322143744).

Almost surely, 2312035552101 is an apocalyptic number.

312035552101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

312035552101 is a deficient number, since it is larger than the sum of its proper divisors (92581647515).

312035552101 is a wasteful number, since it uses less digits than its factorization.

312035552101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 312035552101 in words is "three hundred twelve billion, thirty-five million, five hundred fifty-two thousand, one hundred one".

Divisors: 1 7 13 31 71 91 157 217 403 497 923 1099 2041 2201 2821 4867 6461 9923 11147 14287 15407 28613 34069 63271 69461 78029 128999 144911 200291 307613 345557 442897 704533 902993 1014377 1557911 2153291 2418899 3998969 4492241 4931731 9158929 10905377 20252843 21840523 27992783 31445687 48295241 64112503 110611681 141769901 152883661 283926799 338066687 627838133 774281767 1437951853 1987487593 3428962111 4394866931 10065662971 24002734777 44576507443 312035552101