Search a number
-
+
1305604142111 = 10691221332219
BaseRepresentation
bin10010111111111100000…
…100100011010000011111
311121210222210112100222002
4102333330010203100133
5132342334130021421
62435441455512515
7163220042046203
oct22777404432037
94553883470862
101305604142111
114637815570a5
1219105022873b
139616c172069
1447297990b03
1523e65e16b0b
hex12ffc12341f

1305604142111 has 4 divisors (see below), whose sum is σ = 1306825475400. Its totient is φ = 1304382808824.

The previous prime is 1305604142099. The next prime is 1305604142179. The reversal of 1305604142111 is 1112414065031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1305604142111 - 218 = 1305603879967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305604042111) 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, 610665041 + ... + 610667178.

It is an arithmetic number, because the mean of its divisors is an integer number (326706368850).

Almost surely, 21305604142111 is an apocalyptic number.

1305604142111 is a deficient number, since it is larger than the sum of its proper divisors (1221333289).

1305604142111 is a wasteful number, since it uses less digits than its factorization.

1305604142111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221333288.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 1305604142111 in words is "one trillion, three hundred five billion, six hundred four million, one hundred forty-two thousand, one hundred eleven".

Divisors: 1 1069 1221332219 1305604142111