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90202062212 = 2267389865231
BaseRepresentation
bin101010000000001110…
…1100011110110000100
322121211100002112100222
41110000131203312010
52434213211442322
6105234355123512
76342201610133
oct1240035436604
9277740075328
1090202062212
1135288792459
12155945a3598
13867694c112
144519a9991a
15252de91e42
hex1500763d84

90202062212 has 24 divisors (see below), whose sum is σ = 160621668480. Its totient is φ = 44313619680.

The previous prime is 90202062163. The next prime is 90202062217. The reversal of 90202062212 is 21226020209.

It is not an unprimeable number, because it can be changed into a prime (90202062217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328364 + ... + 536867.

It is an arithmetic number, because the mean of its divisors is an integer number (6692569520).

Almost surely, 290202062212 is an apocalyptic number.

It is an amenable number.

90202062212 is a deficient number, since it is larger than the sum of its proper divisors (70419606268).

90202062212 is a wasteful number, since it uses less digits than its factorization.

90202062212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865691 (or 865689 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 90202062212 in words is "ninety billion, two hundred two million, sixty-two thousand, two hundred twelve".

Divisors: 1 2 4 67 134 268 389 778 1556 26063 52126 104252 865231 1730462 3460924 57970477 115940954 231881908 336574859 673149718 1346299436 22550515553 45101031106 90202062212