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2686530043 = 172941132911
BaseRepresentation
bin1010000000100001…
…0011000111111011
320221020011212101201
42200020103013323
521000222430133
61122325355031
7123401062051
oct24010230773
96836155351
102686530043
11115952686a
1262b868a77
1333a77b662
141b6b281d1
1510acc3d7d
hexa02131fb

2686530043 has 16 divisors (see below), whose sum is σ = 3014444160. Its totient is φ = 2381747200.

The previous prime is 2686530031. The next prime is 2686530071. The reversal of 2686530043 is 3400356862.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2686530043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2686529984 and 2686530011.

It is not an unprimeable number, because it can be changed into a prime (2686530073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46243 + ... + 86668.

It is an arithmetic number, because the mean of its divisors is an integer number (188402760).

Almost surely, 22686530043 is an apocalyptic number.

2686530043 is a deficient number, since it is larger than the sum of its proper divisors (327914117).

2686530043 is a wasteful number, since it uses less digits than its factorization.

2686530043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132998.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2686530043 is about 51831.7474430488. The cubic root of 2686530043 is about 1390.1571588775.

The spelling of 2686530043 in words is "two billion, six hundred eighty-six million, five hundred thirty thousand, forty-three".

Divisors: 1 17 29 41 493 697 1189 20213 132911 2259487 3854419 5449351 65525123 92638967 158031179 2686530043