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8021793310834 = 247505511688161
BaseRepresentation
bin111010010111011100000…
…1001000000100001110010
31001101212122120100022002211
41310232320021000201302
52022412113041421314
625021054434202334
71455361342050502
oct164567011004162
931355576308084
108021793310834
112613029218226
12a968164233aa
134625b4989264
141da384bb9a02
15dd9ea3679c4
hex74bb8240872

8021793310834 has 16 divisors (see below), whose sum is σ = 12288955021056. Its totient is φ = 3925478448000.

The previous prime is 8021793310831. The next prime is 8021793310837. The reversal of 8021793310834 is 4380133971208.

It is an interprime number because it is at equal distance from previous prime (8021793310831) and next prime (8021793310837).

It is a super-2 number, since 2×80217933108342 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8021793310831) 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, 3907714 + ... + 5595874.

It is an arithmetic number, because the mean of its divisors is an integer number (768059688816).

Almost surely, 28021793310834 is an apocalyptic number.

8021793310834 is a deficient number, since it is larger than the sum of its proper divisors (4267161710222).

8021793310834 is a wasteful number, since it uses less digits than its factorization.

8021793310834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738761.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 8021793310834 in words is "eight trillion, twenty-one billion, seven hundred ninety-three million, three hundred ten thousand, eight hundred thirty-four".

Divisors: 1 2 47 94 50551 101102 1688161 2375897 3376322 4751794 79343567 158687134 85338226711 170676453422 4010896655417 8021793310834