Search a number
-
+
1113455105405 = 51861119662021
BaseRepresentation
bin10000001100111111000…
…110001001010101111101
310221110000121012221102222
4100030333012021111331
5121220324001333110
62211303023055125
7143305312144046
oct20147706112575
93843017187388
101113455105405
1139a239419915
1215b965a414a5
1380cc95436c6
143bc6a45d8cd
151de6bd4dc55
hex1033f18957d

1113455105405 has 8 divisors (see below), whose sum is σ = 1336864109784. Its totient is φ = 890285428800.

The previous prime is 1113455105393. The next prime is 1113455105407. The reversal of 1113455105405 is 5045015543111.

It can be written as a sum of positive squares in 4 ways, for example, as 3675026884 + 1109780078521 = 60622^2 + 1053461^2 .

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

It is not a de Polignac number, because 1113455105405 - 210 = 1113455104381 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 (1113455105407) 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, 59821706 + ... + 59840315.

It is an arithmetic number, because the mean of its divisors is an integer number (167108013723).

Almost surely, 21113455105405 is an apocalyptic number.

It is an amenable number.

1113455105405 is a deficient number, since it is larger than the sum of its proper divisors (223409004379).

1113455105405 is a wasteful number, since it uses less digits than its factorization.

1113455105405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119663887.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 1113455105405 in words is "one trillion, one hundred thirteen billion, four hundred fifty-five million, one hundred five thousand, four hundred five".

Divisors: 1 5 1861 9305 119662021 598310105 222691021081 1113455105405