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20211919314 = 23108722851
BaseRepresentation
bin10010110100101110…
…010110100111010010
31221011121021212220020
4102310232112213102
5312343222404224
613141335324310
71313604323316
oct226456264722
957147255806
1020211919314
118632113154
123b00b20696
131ba1576292
14d9a4cbb46
157d467bc79
hex4b4b969d2

20211919314 has 24 divisors (see below), whose sum is σ = 40475253168. Its totient is φ = 6728747400.

The previous prime is 20211919309. The next prime is 20211919331. The reversal of 20211919314 is 41391911202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7087989 + ... + 7090839.

It is an arithmetic number, because the mean of its divisors is an integer number (1686468882).

Almost surely, 220211919314 is an apocalyptic number.

20211919314 is an abundant number, since it is smaller than the sum of its proper divisors (20263333854).

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

20211919314 is an equidigital number, since it uses as much as digits as its factorization.

20211919314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030 (or 3943 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 20211919314 in words is "twenty billion, two hundred eleven million, nine hundred nineteen thousand, three hundred fourteen".

Divisors: 1 2 3 6 1087 2174 2851 3261 5702 6522 8553 17106 1181569 2363138 3099037 3544707 6198074 7089414 9297111 18594222 3368653219 6737306438 10105959657 20211919314