Search a number
-
+
1681074413186 = 27192332622559
BaseRepresentation
bin11000011101100111110…
…101111101111010000010
312221201010222002101210012
4120131213311331322002
5210020320022210221
63324135214504522
7232311406513430
oct30354765757202
95851128071705
101681074413186
11598a37754053
12231978505142
13c26a88204ac
145b516023d50
152dade08265b
hex18767d7de82

1681074413186 has 24 divisors (see below), whose sum is σ = 3041500688640. Its totient is φ = 682541489016.

The previous prime is 1681074413107. The next prime is 1681074413233. The reversal of 1681074413186 is 6813144701861.

It is a super-2 number, since 2×16810744131862 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166306226 + ... + 166316333.

It is an arithmetic number, because the mean of its divisors is an integer number (126729195360).

Almost surely, 21681074413186 is an apocalyptic number.

1681074413186 is a deficient number, since it is larger than the sum of its proper divisors (1360426275454).

1681074413186 is a wasteful number, since it uses less digits than its factorization.

1681074413186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332622606 (or 332622587 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 1681074413186 in words is "one trillion, six hundred eighty-one billion, seventy-four million, four hundred thirteen thousand, one hundred eighty-six".

Divisors: 1 2 7 14 19 38 133 266 361 722 2527 5054 332622559 665245118 2328357913 4656715826 6319828621 12639657242 44238800347 88477600694 120076743799 240153487598 840537206593 1681074413186