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20863284310 = 2511189666221
BaseRepresentation
bin10011011011100011…
…000111010001010110
31222211222221122200201
4103123203013101112
5320212000044220
613330124331114
71336003663531
oct233343072126
958758848621
1020863284310
118936864330
1240630a3a9a
131c764b765b
14101cc05a18
15821943d0a
hex4db8c7456

20863284310 has 16 divisors (see below), whose sum is σ = 40967903952. Its totient is φ = 7586648800.

The previous prime is 20863284307. The next prime is 20863284317. The reversal of 20863284310 is 1348236802.

It is a super-2 number, since 2×208632843102 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20863284310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20863284317) 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, 94833001 + ... + 94833220.

It is an arithmetic number, because the mean of its divisors is an integer number (2560493997).

Almost surely, 220863284310 is an apocalyptic number.

20863284310 is a deficient number, since it is larger than the sum of its proper divisors (20104619642).

20863284310 is a wasteful number, since it uses less digits than its factorization.

20863284310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189666239.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 20863284310 in words is "twenty billion, eight hundred sixty-three million, two hundred eighty-four thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 189666221 379332442 948331105 1896662210 2086328431 4172656862 10431642155 20863284310