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1081968192193 = 7154566884599
BaseRepresentation
bin11111011111010100101…
…01000110101011000001
310211102202020001000121011
433233222111012223001
5120211332324122233
62145014353200521
7141112115614210
oct17575225065301
93742666030534
101081968192193
11387950923999
12155838b60141
137b04c0bbc05
143a52075b077
151d2279130cd
hexfbea546ac1

1081968192193 has 4 divisors (see below), whose sum is σ = 1236535076800. Its totient is φ = 927401307588.

The previous prime is 1081968192191. The next prime is 1081968192211. The reversal of 1081968192193 is 3912918691801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1081968192193 - 21 = 1081968192191 is a prime.

It is a super-2 number, since 2×10819681921932 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081968192191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77283442293 + ... + 77283442306.

It is an arithmetic number, because the mean of its divisors is an integer number (309133769200).

Almost surely, 21081968192193 is an apocalyptic number.

It is an amenable number.

1081968192193 is a deficient number, since it is larger than the sum of its proper divisors (154566884607).

1081968192193 is an equidigital number, since it uses as much as digits as its factorization.

1081968192193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154566884606.

The product of its (nonzero) digits is 1679616, while the sum is 58.

The spelling of 1081968192193 in words is "one trillion, eighty-one billion, nine hundred sixty-eight million, one hundred ninety-two thousand, one hundred ninety-three".

Divisors: 1 7 154566884599 1081968192193