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20313120304 = 2418119336343
BaseRepresentation
bin10010111010110000…
…011001111000110000
31221102122201102120001
4102322300121320300
5313100124322204
613155352355344
71316243450041
oct227260317060
957378642501
1020313120304
118684254a34
123b2a9a5b54
131bb951a619
14da9b128c8
157dd4bc4a4
hex4bac19e30

20313120304 has 40 divisors (see below), whose sum is σ = 39780252512. Its totient is φ = 10047836160.

The previous prime is 20313120299. The next prime is 20313120329. The reversal of 20313120304 is 40302131302.

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, 540757 + ... + 577099.

Almost surely, 220313120304 is an apocalyptic number.

It is an amenable number.

20313120304 is a deficient number, since it is larger than the sum of its proper divisors (19467132208).

20313120304 is a wasteful number, since it uses less digits than its factorization.

20313120304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36725 (or 36719 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20313120304 its reverse (40302131302), we get a palindrome (60615251606).

The spelling of 20313120304 in words is "twenty billion, three hundred thirteen million, one hundred twenty thousand, three hundred four".

Divisors: 1 2 4 8 16 181 193 362 386 724 772 1448 1544 2896 3088 34933 36343 69866 72686 139732 145372 279464 290744 558928 581488 6578083 7014199 13156166 14028398 26312332 28056796 52624664 56113592 105249328 112227184 1269570019 2539140038 5078280076 10156560152 20313120304