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52397215576690 = 25172121259149519
BaseRepresentation
bin10111110100111101011010…
…11010111111001001110010
320212112010101001012010101111
423322132231122333021302
523331433444141423230
6303234540514423534
714015400563546035
oct1372365532771162
9225463331163344
1052397215576690
1115771597222886
125a62b21591baa
13233106179040a
14cd207852d01c
1560ce89d7692a
hex2fa7ad6bf272

52397215576690 has 48 divisors (see below), whose sum is σ = 100190774275200. Its totient is φ = 19725715964672.

The previous prime is 52397215576631. The next prime is 52397215576691. The reversal of 52397215576690 is 9667551279325.

It is a super-2 number, since 2×523972155766902 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52397215576691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350363751 + ... + 350513269.

It is an arithmetic number, because the mean of its divisors is an integer number (2087307797400).

Almost surely, 252397215576690 is an apocalyptic number.

52397215576690 is a deficient number, since it is larger than the sum of its proper divisors (47793558698510).

52397215576690 is a wasteful number, since it uses less digits than its factorization.

52397215576690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270819 (or 270802 counting only the distinct ones).

The product of its (nonzero) digits is 214326000, while the sum is 67.

The spelling of 52397215576690 in words is "fifty-two trillion, three hundred ninety-seven billion, two hundred fifteen million, five hundred seventy-six thousand, six hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 289 578 1445 2890 121259 149519 242518 299038 606295 747595 1212590 1495190 2061403 2541823 4122806 5083646 10307015 12709115 20614030 25418230 35043851 43210991 70087702 86421982 175219255 216054955 350438510 432109910 18130524421 36261048842 90652622105 181305244210 308218915157 616437830314 1541094575785 3082189151570 5239721557669 10479443115338 26198607788345 52397215576690