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640310412502201 = 7823111145706041
BaseRepresentation
bin1001000110010110111110001…
…0101011101110010010111001
310002222011002002120201010112111
42101211233202223232102321
51132411321211100032301
610145454313114012321
7251604620635133530
oct22145574253562271
93088132076633474
10640310412502201
11176028136aaa331
125b9945457170a1
13216390221bb49c
14b419291709317
154e05e23789551
hex2465be2aee4b9

640310412502201 has 8 divisors (see below), whose sum is σ = 732672494228864. Its totient is φ = 548170622189280.

The previous prime is 640310412502157. The next prime is 640310412502301. The reversal of 640310412502201 is 102205214013046.

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

It is a cyclic number.

It is not a de Polignac number, because 640310412502201 - 213 = 640310412494009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (640310412502301) 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, 55572847260 + ... + 55572858781.

It is an arithmetic number, because the mean of its divisors is an integer number (91584061778608).

Almost surely, 2640310412502201 is an apocalyptic number.

It is an amenable number.

640310412502201 is a deficient number, since it is larger than the sum of its proper divisors (92362081726663).

640310412502201 is a wasteful number, since it uses less digits than its factorization.

640310412502201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111145706871.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 640310412502201 its reverse (102205214013046), we get a palindrome (742515626515247).

The spelling of 640310412502201 in words is "six hundred forty trillion, three hundred ten billion, four hundred twelve million, five hundred two thousand, two hundred one".

Divisors: 1 7 823 5761 111145706041 778019942287 91472916071743 640310412502201