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8194927171970 = 2571123462728807
BaseRepresentation
bin111011101000000011110…
…1110010001100110000010
31002000102112120020201112002
41313100013232101212002
52033231202324000340
625232410401504002
71504030635433160
oct167200756214602
932012476221462
108194927171970
11267a4a3824680
12b04294642002
13475a16c65936
142048cab42230
15e327ed99715
hex77407b91982

8194927171970 has 64 divisors (see below), whose sum is σ = 19190289125376. Its totient is φ = 2443208095680.

The previous prime is 8194927171969. The next prime is 8194927172011. The reversal of 8194927171970 is 791717294918.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8194927171897 and 8194927171906.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231346694 + ... + 231382113.

It is an arithmetic number, because the mean of its divisors is an integer number (299848267584).

Almost surely, 28194927171970 is an apocalyptic number.

8194927171970 is an abundant number, since it is smaller than the sum of its proper divisors (10995361953406).

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

8194927171970 is a wasteful number, since it uses less digits than its factorization.

8194927171970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462728855.

The product of its (nonzero) digits is 16003008, while the sum is 65.

The spelling of 8194927171970 in words is "eight trillion, one hundred ninety-four billion, nine hundred twenty-seven million, one hundred seventy-one thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 11 14 22 23 35 46 55 70 77 110 115 154 161 230 253 322 385 506 770 805 1265 1610 1771 2530 3542 8855 17710 462728807 925457614 2313644035 3239101649 4627288070 5090016877 6478203298 10180033754 10642762561 16195508245 21285525122 25450084385 32391016490 35630118139 50900168770 53213812805 71260236278 74499337927 106427625610 117070388171 148998675854 178150590695 234140776342 356301181390 372496689635 585351940855 744993379270 819492717197 1170703881710 1638985434394 4097463585985 8194927171970