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8386870357 = 97696112421
BaseRepresentation
bin1111100111110010…
…10111110001010101
3210122111101011021001
413303321113301111
5114134014322412
63504115423301
7414556136035
oct76371276125
923574334231
108386870357
113614195918
1217608b4b31
13a387384a8
14597c118c5
15341468957
hex1f3e57c55

8386870357 has 8 divisors (see below), whose sum is σ = 8475232472. Its totient is φ = 8298547200.

The previous prime is 8386870339. The next prime is 8386870379. The reversal of 8386870357 is 7530786838.

It can be written as a sum of positive squares in 4 ways, for example, as 4488866001 + 3898004356 = 66999^2 + 62434^2 .

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 8386870357 - 27 = 8386870229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8386870298 and 8386870307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8386870337) 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, 669007 + ... + 681427.

It is an arithmetic number, because the mean of its divisors is an integer number (1059404059).

Almost surely, 28386870357 is an apocalyptic number.

It is an amenable number.

8386870357 is a deficient number, since it is larger than the sum of its proper divisors (88362115).

8386870357 is a wasteful number, since it uses less digits than its factorization.

8386870357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19479.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The square root of 8386870357 is about 91579.8578127309. The cubic root of 8386870357 is about 2031.7330405905.

The spelling of 8386870357 in words is "eight billion, three hundred eighty-six million, eight hundred seventy thousand, three hundred fifty-seven".

Divisors: 1 97 6961 12421 675217 1204837 86462581 8386870357