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91143012104002 = 21132811435187417
BaseRepresentation
bin10100101110010011100010…
…110111000011011101000010
3102221201012001020000022121001
4110232103202313003131002
543421241342044312002
6521502304405522214
725124602543200415
oct2456234267033502
9387635036008531
1091143012104002
112704a59726a541
12a28016241336a
133bb1997ba9c01
1418714b97d1b7c
15a80c8b499a87
hex52e4e2dc3742

91143012104002 has 16 divisors (see below), whose sum is σ = 138415215341592. Its totient is φ = 45007477365760.

The previous prime is 91143012103987. The next prime is 91143012104017. The reversal of 91143012104002 is 20040121034119.

It is an interprime number because it is at equal distance from previous prime (91143012103987) and next prime (91143012104017).

It can be written as a sum of positive squares in 4 ways, for example, as 83446598977921 + 7696413126081 = 9134911^2 + 2774241^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717530203 + ... + 717657214.

Almost surely, 291143012104002 is an apocalyptic number.

91143012104002 is a deficient number, since it is larger than the sum of its proper divisors (47272203237590).

91143012104002 is a wasteful number, since it uses less digits than its factorization.

91143012104002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435187813.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 91143012104002 in words is "ninety-one trillion, one hundred forty-three billion, twelve million, one hundred four thousand, two".

Divisors: 1 2 113 226 281 562 31753 63506 1435187417 2870374834 162176178121 324352356242 403287664177 806575328354 45571506052001 91143012104002