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1012443101 = 19269198091
BaseRepresentation
bin111100010110001…
…010011111011101
32121120002102211122
4330112022133131
54033141134401
6244244100325
734042424105
oct7426123735
92546072748
101012443101
1147a55253a
122430946a5
131319a5a77
149866a205
155dd3d21b
hex3c58a7dd

1012443101 has 8 divisors (see below), whose sum is σ = 1069696800. Its totient is φ = 955586160.

The previous prime is 1012443077. The next prime is 1012443119. The reversal of 1012443101 is 1013442101.

It is a happy number.

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 1012443101 - 214 = 1012426717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012443101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012443151) 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, 93935 + ... + 104156.

It is an arithmetic number, because the mean of its divisors is an integer number (133712100).

Almost surely, 21012443101 is an apocalyptic number.

It is an amenable number.

1012443101 is a deficient number, since it is larger than the sum of its proper divisors (57253699).

1012443101 is a wasteful number, since it uses less digits than its factorization.

1012443101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198379.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1012443101 is about 31818.9110593056. The cubic root of 1012443101 is about 1004.1306148620.

Adding to 1012443101 its reverse (1013442101), we get a palindrome (2025885202).

The spelling of 1012443101 in words is "one billion, twelve million, four hundred forty-three thousand, one hundred one".

Divisors: 1 19 269 5111 198091 3763729 53286479 1012443101