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268739768950 = 25267313815783
BaseRepresentation
bin1111101001001000100…
…0110111001001110110
3221200122221021202100221
43322102020313021312
513400334340101300
6323242441524554
725262423226442
oct3722210671166
9850587252327
10268739768950
11a3a76659004
12441004a375a
131c45a644183
14d0155a9822
156ecd0ed31a
hex3e92237276

268739768950 has 48 divisors (see below), whose sum is σ = 501047814816. Its totient is φ = 107239910400.

The previous prime is 268739768939. The next prime is 268739768959. The reversal of 268739768950 is 59867937862.

It is a self number, because there is not a number n which added to its sum of digits gives 268739768950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268739768959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46467759 + ... + 46473541.

It is an arithmetic number, because the mean of its divisors is an integer number (10438496142).

Almost surely, 2268739768950 is an apocalyptic number.

268739768950 is a deficient number, since it is larger than the sum of its proper divisors (232308045866).

268739768950 is a wasteful number, since it uses less digits than its factorization.

268739768950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849 (or 7844 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 70.

The spelling of 268739768950 in words is "two hundred sixty-eight billion, seven hundred thirty-nine million, seven hundred sixty-eight thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 673 1346 1381 2762 3365 5783 6730 6905 11566 13810 16825 28915 33650 34525 57830 69050 144575 289150 929413 1858826 3891959 4647065 7783918 7986323 9294130 15972646 19459795 23235325 38919590 39931615 46470650 79863230 97298975 194597950 199658075 399316150 5374795379 10749590758 26873976895 53747953790 134369884475 268739768950