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1683970192681 = 71567153520849
BaseRepresentation
bin11000100000010100011…
…100011111010100101001
312221222121210000020110121
4120200110130133110221
5210042232332131211
63325334421243241
7232443231315310
oct30402434372451
95858553006417
101683970192681
1159a193300047
12232446263521
13c2a4a74419a
145b70c85b277
152dc0d3db271
hex1881471f529

1683970192681 has 8 divisors (see below), whose sum is σ = 1925765542400. Its totient is φ = 1442481887808.

The previous prime is 1683970192673. The next prime is 1683970192699. The reversal of 1683970192681 is 1862910793861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1683970192681 - 23 = 1683970192673 is a prime.

It is a super-2 number, since 2×16839701926812 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1683970192651) 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, 76749456 + ... + 76771393.

It is an arithmetic number, because the mean of its divisors is an integer number (240720692800).

Almost surely, 21683970192681 is an apocalyptic number.

It is an amenable number.

1683970192681 is a deficient number, since it is larger than the sum of its proper divisors (241795349719).

1683970192681 is a wasteful number, since it uses less digits than its factorization.

1683970192681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153522423.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 1683970192681 in words is "one trillion, six hundred eighty-three billion, nine hundred seventy million, one hundred ninety-two thousand, six hundred eighty-one".

Divisors: 1 7 1567 10969 153520849 1074645943 240567170383 1683970192681