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91075013882330 = 2597155317604517
BaseRepresentation
bin10100101101010100001101…
…110110011011000111011010
3102221110200112022100202100112
4110231110031312123013122
543414133112023213310
6521411141144004322
725116644513640242
oct2455241566330732
9387420468322315
1091075013882330
112702377301a125
12a26ab45a606a2
133ba844c3b019a
14186c0a89b8b22
15a7e10b99d705
hex52d50dd9b1da

91075013882330 has 32 divisors (see below), whose sum is σ = 165626417141136. Its totient is φ = 36054146709504.

The previous prime is 91075013882297. The next prime is 91075013882341. The reversal of 91075013882330 is 3328831057019.

91075013882330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 95433232+1.

It can be written as a sum of positive squares in 8 ways, for example, as 40896165690121 + 50178848192209 = 6395011^2 + 7083703^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150355232 + ... + 150959748.

Almost surely, 291075013882330 is an apocalyptic number.

91075013882330 is a deficient number, since it is larger than the sum of its proper divisors (74551403258806).

91075013882330 is a wasteful number, since it uses less digits than its factorization.

91075013882330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759938.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 91075013882330 in words is "ninety-one trillion, seventy-five billion, thirteen million, eight hundred eighty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 97 194 485 970 155317 310634 604517 776585 1209034 1553170 3022585 6045170 15065749 30131498 58638149 75328745 117276298 150657490 293190745 586381490 93891766889 187783533778 469458834445 938917668890 9107501388233 18215002776466 45537506941165 91075013882330