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105555130253 = 1743144398263
BaseRepresentation
bin110001001001110010…
…0110111011110001101
3101002110022121012100122
41202103210313132031
53212134103132003
6120254044434325
710424516542346
oct1422344673615
9332408535318
10105555130253
1140847134741
121855a2489a5
139c52686971
145174b490cd
152b2bc99238
hex189393778d

105555130253 has 8 divisors (see below), whose sum is σ = 114363425088. Its totient is φ = 97035632064.

The previous prime is 105555130237. The next prime is 105555130267. The reversal of 105555130253 is 352031555501.

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 105555130253 - 24 = 105555130237 is a prime.

It is a super-2 number, since 2×1055551302532 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105555130223) 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, 72198401 + ... + 72199862.

It is an arithmetic number, because the mean of its divisors is an integer number (14295428136).

Almost surely, 2105555130253 is an apocalyptic number.

It is an amenable number.

105555130253 is a deficient number, since it is larger than the sum of its proper divisors (8808294835).

105555130253 is a wasteful number, since it uses less digits than its factorization.

105555130253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144398323.

The product of its (nonzero) digits is 56250, while the sum is 35.

Adding to 105555130253 its reverse (352031555501), we get a palindrome (457586685754).

The spelling of 105555130253 in words is "one hundred five billion, five hundred fifty-five million, one hundred thirty thousand, two hundred fifty-three".

Divisors: 1 17 43 731 144398263 2454770471 6209125309 105555130253