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2426450681 = 17465730649
BaseRepresentation
bin1001000010100000…
…1011001011111001
320021002210110120202
42100220023023321
514432132410211
61040435131545
7114062330144
oct22050131371
96232713522
102426450681
111035739346
12578743bb5
132c891a245
1419038705b
15e304d53b
hex90a0b2f9

2426450681 has 8 divisors (see below), whose sum is σ = 2569818600. Its totient is φ = 2283153408.

The previous prime is 2426450671. The next prime is 2426450687. The reversal of 2426450681 is 1860546242.

It can be written as a sum of positive squares in 4 ways, for example, as 1600 + 2426449081 = 40^2 + 49259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2426450681 is a prime.

It is a super-2 number, since 2×24264506812 = 11775325814650727522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2426450687) 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, 63845 + ... + 94493.

It is an arithmetic number, because the mean of its divisors is an integer number (321227325).

Almost surely, 22426450681 is an apocalyptic number.

It is an amenable number.

2426450681 is a deficient number, since it is larger than the sum of its proper divisors (143367919).

2426450681 is a wasteful number, since it uses less digits than its factorization.

2426450681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35323.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 2426450681 is about 49259.0162406843. The cubic root of 2426450681 is about 1343.7665397899.

The spelling of 2426450681 in words is "two billion, four hundred twenty-six million, four hundred fifty thousand, six hundred eighty-one".

Divisors: 1 17 4657 30649 79169 521033 142732393 2426450681