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8513420243158 = 264115383431693
BaseRepresentation
bin111101111100010111101…
…1000111011000011010110
31010010212121220011002210201
41323320233120323003112
52103440441040240113
630035002233411114
71536034330036135
oct173705730730326
933125556132721
108513420243158
112792580867a86
12b55b5b269a9a
13499a731c21cc
142160a1d8191c
15eb6c0d5bcdd
hex7be2f63b0d6

8513420243158 has 16 divisors (see below), whose sum is σ = 12790913635296. Its totient is φ = 4249783260160.

The previous prime is 8513420243147. The next prime is 8513420243177.

8513420243158 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×85134202431582 (a number of 27 digits) contains 22 as substring.

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, 19505160 + ... + 19936852.

It is an arithmetic number, because the mean of its divisors is an integer number (799432102206).

Almost surely, 28513420243158 is an apocalyptic number.

8513420243158 is a deficient number, since it is larger than the sum of its proper divisors (4277493392138).

8513420243158 is a wasteful number, since it uses less digits than its factorization.

8513420243158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447719.

The product of its (nonzero) digits is 921600, while the sum is 46.

It can be divided in two parts, 8513420 and 243158, that added together give a palindrome (8756578).

The spelling of 8513420243158 in words is "eight trillion, five hundred thirteen billion, four hundred twenty million, two hundred forty-three thousand, one hundred fifty-eight".

Divisors: 1 2 641 1282 15383 30766 431693 863386 9860503 19721006 276715213 553430426 6640733419 13281466838 4256710121579 8513420243158