Search a number
-
+
105630340553 = 3713012194369
BaseRepresentation
bin110001001100000001…
…1110001010111001001
3101002122120010021111022
41202120003301113021
53212312331344203
6120305332442225
710426422036353
oct1423003612711
9332576107438
10105630340553
1140885634311
121857b479375
139c6512abba
145180b260d3
152b336a3a38
hex18980f15c9

105630340553 has 8 divisors (see below), whose sum is σ = 108568650120. Its totient is φ = 102696422400.

The previous prime is 105630340513. The next prime is 105630340559. The reversal of 105630340553 is 355043036501.

It can be written as a sum of positive squares in 4 ways, for example, as 33412915264 + 72217425289 = 182792^2 + 268733^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 105630340553 - 28 = 105630340297 is a prime.

It is a super-2 number, since 2×1056303405532 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105630340559) 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, 1049048 + ... + 1145321.

It is an arithmetic number, because the mean of its divisors is an integer number (13571081265).

Almost surely, 2105630340553 is an apocalyptic number.

It is an amenable number.

105630340553 is a deficient number, since it is larger than the sum of its proper divisors (2938309567).

105630340553 is a wasteful number, since it uses less digits than its factorization.

105630340553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195707.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 105630340553 in words is "one hundred five billion, six hundred thirty million, three hundred forty thousand, five hundred fifty-three".

Divisors: 1 37 1301 48137 2194369 81191653 2854874069 105630340553