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2148086686674 = 231923911860869
BaseRepresentation
bin11111010000100011111…
…100011010001111010010
321121100120212001222101010
4133100203330122033102
5240143240142433144
64322452320351350
7311123406400245
oct37204374321722
97540525058333
102148086686674
11758aa8a30355
122a8391a75556
131277435cb266
1475d7a0ad25c
153ad23b1e5b9
hex1f423f1a3d2

2148086686674 has 16 divisors (see below), whose sum is σ = 4296198012480. Its totient is φ = 716024789040.

The previous prime is 2148086686661. The next prime is 2148086686687. The reversal of 2148086686674 is 4766866808412.

It is an interprime number because it is at equal distance from previous prime (2148086686661) and next prime (2148086686687).

It is a super-2 number, since 2×21480866866742 (a number of 25 digits) contains 22 as substring.

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, 223912 + ... + 2084780.

It is an arithmetic number, because the mean of its divisors is an integer number (268512375780).

Almost surely, 22148086686674 is an apocalyptic number.

2148086686674 is an abundant number, since it is smaller than the sum of its proper divisors (2148111325806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2148086686674 is a wasteful number, since it uses less digits than its factorization.

2148086686674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053265.

The product of its (nonzero) digits is 148635648, while the sum is 66.

The spelling of 2148086686674 in words is "two trillion, one hundred forty-eight billion, eighty-six million, six hundred eighty-six thousand, six hundred seventy-four".

Divisors: 1 2 3 6 192391 384782 577173 1154346 1860869 3721738 5582607 11165214 358014447779 716028895558 1074043343337 2148086686674