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10551945101 = 171127355061
BaseRepresentation
bin10011101001111000…
…11110011110001101
31000020101100100110112
421310330132132031
5133102244220401
64503020445405
7522326024225
oct116474363615
930211310415
1010551945101
114525330595
1220659a9865
13cc215c0c9
1472159b085
1541b5873bb
hex274f1e78d

10551945101 has 8 divisors (see below), whose sum is σ = 11173841784. Its totient is φ = 9930181120.

The previous prime is 10551945071. The next prime is 10551945149. The reversal of 10551945101 is 10154915501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1532644201 + 9019300900 = 39149^2 + 94970^2 .

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 10551945101 - 222 = 10547750797 is a prime.

It is a super-2 number, since 2×105519451012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10551945161) 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, 164111 + ... + 219171.

It is an arithmetic number, because the mean of its divisors is an integer number (1396730223).

Almost surely, 210551945101 is an apocalyptic number.

It is an amenable number.

10551945101 is a deficient number, since it is larger than the sum of its proper divisors (621896683).

10551945101 is a wasteful number, since it uses less digits than its factorization.

10551945101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66351.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 10551945101 in words is "ten billion, five hundred fifty-one million, nine hundred forty-five thousand, one hundred one".

Divisors: 1 17 11273 55061 191641 936037 620702653 10551945101