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2145365210212 = 227618371239067
BaseRepresentation
bin11111001110000001101…
…110110011010001100100
321121002120012010122111121
4133032001232303101210
5240122201443211322
64321322301543324
7310666102255450
oct37160156632144
97532505118447
102145365210212
11757931805854
122a7952574b44
131273cb835363
1475b9c889660
153ac14c45ec7
hex1f381bb3464

2145365210212 has 24 divisors (see below), whose sum is σ = 4290803271104. Its totient is φ = 919426622112.

The previous prime is 2145365210207. The next prime is 2145365210237. The reversal of 2145365210212 is 2120125635412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111903 + ... + 2350969.

Almost surely, 22145365210212 is an apocalyptic number.

It is an amenable number.

2145365210212 is an abundant number, since it is smaller than the sum of its proper divisors (2145438060892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145365210212 is a wasteful number, since it uses less digits than its factorization.

2145365210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300915 (or 1300913 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 2145365210212 in words is "two trillion, one hundred forty-five billion, three hundred sixty-five million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 61837 123674 247348 432859 865718 1239067 1731436 2478134 4956268 8673469 17346938 34693876 76620186079 153240372158 306480744316 536341302553 1072682605106 2145365210212