Search a number
-
+
1665053145341 = 17925736194447
BaseRepresentation
bin11000001110101100111…
…001101011100011111101
312220011210102020122222122
4120032230321223203331
5204240012101122331
63312525335252325
7231203366133635
oct30165471534375
95804712218878
101665053145341
11592166102423
1222a846b1a0a5
13c102452ba51
145a8363176c5
152d4a278a17b
hex183ace6b8fd

1665053145341 has 8 divisors (see below), whose sum is σ = 1680870165120. Its totient is φ = 1649308515328.

The previous prime is 1665053145313. The next prime is 1665053145401. The reversal of 1665053145341 is 1435413505661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1665053145341 is a prime.

It is a super-3 number, since 3×16650531453413 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1665053145292 and 1665053145301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1665053145541) 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, 18051221 + ... + 18143226.

It is an arithmetic number, because the mean of its divisors is an integer number (210108770640).

Almost surely, 21665053145341 is an apocalyptic number.

It is an amenable number.

1665053145341 is a deficient number, since it is larger than the sum of its proper divisors (15817019779).

1665053145341 is a wasteful number, since it uses less digits than its factorization.

1665053145341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36194883.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 1665053145341 in words is "one trillion, six hundred sixty-five billion, fifty-three million, one hundred forty-five thousand, three hundred forty-one".

Divisors: 1 179 257 46003 36194447 6478806013 9301972879 1665053145341