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91102010002 = 2103442242767
BaseRepresentation
bin101010011011000011…
…0100101101010010010
322201011001111121122121
41110312012211222102
52443034103310002
6105503544124454
76403410210463
oct1246606455222
9281131447577
1091102010002
11356aa789563
12157a5a6672a
13878b227ac3
1445a3400d6a
152582ead237
hex15361a5a92

91102010002 has 8 divisors (see below), whose sum is σ = 137979743616. Its totient is φ = 45108762132.

The previous prime is 91102009993. The next prime is 91102010017. The reversal of 91102010002 is 20001020119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221121178 + ... + 221121589.

It is an arithmetic number, because the mean of its divisors is an integer number (17247467952).

Almost surely, 291102010002 is an apocalyptic number.

91102010002 is a deficient number, since it is larger than the sum of its proper divisors (46877733614).

91102010002 is a wasteful number, since it uses less digits than its factorization.

91102010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442242872.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 91102010002 in words is "ninety-one billion, one hundred two million, ten thousand, two".

Divisors: 1 2 103 206 442242767 884485534 45551005001 91102010002