Search a number
-
+
1005505440341 = 5531181794511
BaseRepresentation
bin11101010000111001100…
…10110110101001010101
310120010101101212202211212
432220130302312221111
5112433233343042331
62045531155111205
7132434235136343
oct16503462665125
93503341782755
101005505440341
11358483675796
12142a598a2505
1373a84a6584c
14369496b8993
151b24ec5cd2b
hexea1ccb6a55

1005505440341 has 4 divisors (see below), whose sum is σ = 1005687240384. Its totient is φ = 1005323640300.

The previous prime is 1005505440337. The next prime is 1005505440347. The reversal of 1005505440341 is 1430445055001.

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 a cyclic number.

It is not a de Polignac number, because 1005505440341 - 22 = 1005505440337 is a prime.

It is a super-2 number, since 2×10055054403412 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1005505440298 and 1005505440307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005505440347) 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, 90891725 + ... + 90902786.

It is an arithmetic number, because the mean of its divisors is an integer number (251421810096).

Almost surely, 21005505440341 is an apocalyptic number.

It is an amenable number.

1005505440341 is a deficient number, since it is larger than the sum of its proper divisors (181800043).

1005505440341 is an equidigital number, since it uses as much as digits as its factorization.

1005505440341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181800042.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 1005505440341 in words is "one trillion, five billion, five hundred five million, four hundred forty thousand, three hundred forty-one".

Divisors: 1 5531 181794511 1005505440341