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268648886623 = 1341381499391
BaseRepresentation
bin1111101000110010111…
…0001011000101011111
3221200102121021110020211
43322030232023011133
513400143103332443
6323225433553251
725260240600415
oct3721456130537
9850377243224
10268648886623
11a3a2a324847
1244095b75827
131c444873750
14d0074ad2b5
156ec514a19d
hex3e8cb8b15f

268648886623 has 8 divisors (see below), whose sum is σ = 289321756416. Its totient is φ = 247977098400.

The previous prime is 268648886593. The next prime is 268648886657. The reversal of 268648886623 is 326688846862.

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 268648886623 - 25 = 268648886591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268648886323) 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, 288258 + ... + 787648.

It is an arithmetic number, because the mean of its divisors is an integer number (36165219552).

Almost surely, 2268648886623 is an apocalyptic number.

268648886623 is a deficient number, since it is larger than the sum of its proper divisors (20672869793).

268648886623 is a wasteful number, since it uses less digits than its factorization.

268648886623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540785.

The product of its digits is 254803968, while the sum is 67.

The spelling of 268648886623 in words is "two hundred sixty-eight billion, six hundred forty-eight million, eight hundred eighty-six thousand, six hundred twenty-three".

Divisors: 1 13 41381 499391 537953 6492083 20665298971 268648886623