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75950972258 = 274412972
BaseRepresentation
bin100011010111100000…
…1111101110101100010
321021001011011011010112
41012233001331311202
52221021422103013
654520312531322
75326064420000
oct1065701756542
9237034134115
1075950972258
112a235386667
12128779b0b42
137215308705
143967101a70
151e97cb1ba8
hex11af07dd62

75950972258 has 90 divisors (see below), whose sum is σ = 137645854083. Its totient is φ = 31429117440.

The previous prime is 75950972257. The next prime is 75950972291. The reversal of 75950972258 is 85227905957.

It can be written as a sum of positive squares in 5 ways, for example, as 2180609809 + 73770362449 = 46697^2 + 271607^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=194873.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75950972197 and 75950972206.

It is not an unprimeable number, because it can be changed into a prime (75950972257) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 782999666 + ... + 782999762.

Almost surely, 275950972258 is an apocalyptic number.

75950972258 is a deficient number, since it is larger than the sum of its proper divisors (61694881825).

75950972258 is an frugal number, since it uses more digits than its factorization.

75950972258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 59.

The spelling of 75950972258 in words is "seventy-five billion, nine hundred fifty million, nine hundred seventy-two thousand, two hundred fifty-eight".

Divisors: 1 2 7 14 41 49 82 97 98 194 287 343 574 679 686 1358 1681 2009 2401 3362 3977 4018 4753 4802 7954 9409 9506 11767 14063 18818 23534 27839 28126 33271 55678 65863 66542 82369 98441 131726 163057 164738 194873 196882 232897 326114 385769 389746 461041 465794 576583 771538 922082 1141399 1153166 1364111 2282798 2700383 2728222 3227287 4036081 5400766 6454574 7989793 8072162 9548777 15816529 15979586 18902681 19097554 22591009 31633058 37805362 45182018 55928551 110715703 111857102 132318767 221431406 264637534 391499857 775009921 782999714 926231369 1550019842 1852462738 5425069447 10850138894 37975486129 75950972258