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268729943041 = 72313112741451
BaseRepresentation
bin1111101001000110001…
…1011000010000000001
3221200122020210112202101
43322101203120100001
513400324331134131
6323241451150401
725262243553460
oct3722143302001
9850566715671
10268729943041
11a3a7105771a
12440b9145401
131c4585b3921
14d01416c9d7
156ecc30bc61
hex3e918d8401

268729943041 has 16 divisors (see below), whose sum is σ = 322919359488. Its totient is φ = 218643282000.

The previous prime is 268729943039. The next prime is 268729943051. The reversal of 268729943041 is 140349927862.

It is a cyclic number.

It is not a de Polignac number, because 268729943041 - 21 = 268729943039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268729943051) 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, 6349635 + ... + 6391816.

It is an arithmetic number, because the mean of its divisors is an integer number (20182459968).

Almost surely, 2268729943041 is an apocalyptic number.

It is an amenable number.

268729943041 is a deficient number, since it is larger than the sum of its proper divisors (54189416447).

268729943041 is a wasteful number, since it uses less digits than its factorization.

268729943041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12741612.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 268729943041 in words is "two hundred sixty-eight billion, seven hundred twenty-nine million, nine hundred forty-three thousand, forty-one".

Divisors: 1 7 23 131 161 917 3013 21091 12741451 89190157 293053373 1669130081 2051373611 11683910567 38389991863 268729943041