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283661681353 = 828734229719
BaseRepresentation
bin1000010000010111000…
…11011100001011001001
31000010011212111110000021
410020023203130023021
514121414342300403
6334151250140441
726331254336311
oct4101343341311
91003155443007
10283661681353
11aa333695716
1246b85881721
1320997c4c43b
14da2d2a4441
1575a313a8bd
hex420b8dc2c9

283661681353 has 4 divisors (see below), whose sum is σ = 283695919360. Its totient is φ = 283627443348.

The previous prime is 283661681351. The next prime is 283661681453. The reversal of 283661681353 is 353186166382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 283661681353 - 21 = 283661681351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 283661681353.

It is not an unprimeable number, because it can be changed into a prime (283661681351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17106573 + ... + 17123146.

It is an arithmetic number, because the mean of its divisors is an integer number (70923979840).

Almost surely, 2283661681353 is an apocalyptic number.

It is an amenable number.

283661681353 is a deficient number, since it is larger than the sum of its proper divisors (34238007).

283661681353 is an equidigital number, since it uses as much as digits as its factorization.

283661681353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34238006.

The product of its digits is 3732480, while the sum is 52.

The spelling of 283661681353 in words is "two hundred eighty-three billion, six hundred sixty-one million, six hundred eighty-one thousand, three hundred fifty-three".

Divisors: 1 8287 34229719 283661681353