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2298769981 = 43359148913
BaseRepresentation
bin1000100100000100…
…0111001000111101
312221012112121120221
42021001013020331
514201441114411
61020034341341
7110652136204
oct21101071075
95835477527
102298769981
11a7a660a02
12541a2a851
132a8334331
1417b42c23b
15d6c2c071
hex8904723d

2298769981 has 8 divisors (see below), whose sum is σ = 2358797760. Its totient is φ = 2239040832.

The previous prime is 2298769943. The next prime is 2298769987. The reversal of 2298769981 is 1899678922.

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 2298769981 - 215 = 2298737213 is a prime.

It is a super-2 number, since 2×22987699812 = 10568686851093480722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298769987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59020 + ... + 89893.

It is an arithmetic number, because the mean of its divisors is an integer number (294849720).

Almost surely, 22298769981 is an apocalyptic number.

It is an amenable number.

2298769981 is a deficient number, since it is larger than the sum of its proper divisors (60027779).

2298769981 is a wasteful number, since it uses less digits than its factorization.

2298769981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149315.

The product of its digits is 7838208, while the sum is 61.

The square root of 2298769981 is about 47945.4896835980. The cubic root of 2298769981 is about 1319.7707707625.

The spelling of 2298769981 in words is "two billion, two hundred ninety-eight million, seven hundred sixty-nine thousand, nine hundred eighty-one".

Divisors: 1 43 359 15437 148913 6403259 53459767 2298769981