Search a number
-
+
1034121081 = 37671076869
BaseRepresentation
bin111101101000110…
…110111101111001
32200001212210102210
4331220312331321
54104213333311
6250340445333
734424612160
oct7550667571
92601783383
101034121081
11490809524
1224a3a9849
13136325b86
149b4b03d7
1560bc13a6
hex3da36f79

1034121081 has 32 divisors (see below), whose sum is σ = 1614504960. Its totient is φ = 576582336.

The previous prime is 1034121071. The next prime is 1034121089. The reversal of 1034121081 is 1801214301.

It is a happy number.

It is not a de Polignac number, because 1034121081 - 26 = 1034121017 is a prime.

It is a super-2 number, since 2×10341210812 = 2138812820337217122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1034121089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147115 + ... + 153983.

It is an arithmetic number, because the mean of its divisors is an integer number (50453280).

Almost surely, 21034121081 is an apocalyptic number.

It is an amenable number.

1034121081 is a deficient number, since it is larger than the sum of its proper divisors (580383879).

1034121081 is a wasteful number, since it uses less digits than its factorization.

1034121081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1034121081 is about 32157.7530465050. The cubic root of 1034121081 is about 1011.2467305235.

Adding to 1034121081 its reverse (1801214301), we get a palindrome (2835335382).

The spelling of 1034121081 in words is "one billion, thirty-four million, one hundred twenty-one thousand, eighty-one".

Divisors: 1 3 7 21 67 107 201 321 469 749 1407 2247 6869 7169 20607 21507 48083 50183 144249 150549 460223 734983 1380669 2204949 3221561 5144881 9664683 15434643 49243861 147731583 344707027 1034121081