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61110517001050 = 25211210100911901
BaseRepresentation
bin11011110010100011001101…
…01010000110101101011010
322000101002221000001021221101
431321101212222012231122
531002213314323013200
6333545441155502014
715605042402620546
oct1571214652065532
9260332830037841
1061110517001050
1118520908776700
126a2b7645b790a
13281390a49c3ba
141113a9c8a2a26
1570e9589d726a
hex379466a86b5a

61110517001050 has 36 divisors (see below), whose sum is σ = 124938179315838. Its totient is φ = 22222006180000.

The previous prime is 61110517000997. The next prime is 61110517001071. The reversal of 61110517001050 is 5010071501116.

It can be written as a sum of positive squares in 3 ways, for example, as 54652885632081 + 6457631368969 = 7392759^2 + 2541187^2 .

It is a super-2 number, since 2×611105170010502 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5050449901 + ... + 5050462000.

Almost surely, 261110517001050 is an apocalyptic number.

61110517001050 is an abundant number, since it is smaller than the sum of its proper divisors (63827662314788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61110517001050 is a wasteful number, since it uses less digits than its factorization.

61110517001050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100911935 (or 10100911919 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 28.

Adding to 61110517001050 its reverse (5010071501116), we get a palindrome (66120588502166).

The spelling of 61110517001050 in words is "sixty-one trillion, one hundred ten billion, five hundred seventeen million, one thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 242 275 550 605 1210 3025 6050 10100911901 20201823802 50504559505 101009119010 111110030911 222220061822 252522797525 505045595050 555550154555 1111100309110 1222210340021 2444420680042 2777750772775 5555501545550 6111051700105 12222103400210 30555258500525 61110517001050