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20319194302 = 2111815102761
BaseRepresentation
bin10010111011000111…
…100100110010111110
31221110002011000111221
4102323013210302332
5313103203204202
613200130503554
71316346205351
oct227307446276
957402130457
1020319194302
118687723470
123b30a34bba
131bba8661c4
14daa854298
157ddcbc037
hex4bb1e4cbe

20319194302 has 16 divisors (see below), whose sum is σ = 33433296624. Its totient is φ = 9184968000.

The previous prime is 20319194299. The next prime is 20319194303. The reversal of 20319194302 is 20349191302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20319194303) 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, 2547399 + ... + 2555362.

It is an arithmetic number, because the mean of its divisors is an integer number (2089581039).

Almost surely, 220319194302 is an apocalyptic number.

20319194302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20319194302 is a deficient number, since it is larger than the sum of its proper divisors (13114102322).

20319194302 is a wasteful number, since it uses less digits than its factorization.

20319194302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102955.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 20319194302 in words is "twenty billion, three hundred nineteen million, one hundred ninety-four thousand, three hundred two".

Divisors: 1 2 11 22 181 362 1991 3982 5102761 10205522 56130371 112260742 923599741 1847199482 10159597151 20319194302