Search a number
-
+
1012112230 = 25151739907
BaseRepresentation
bin111100010100111…
…001101101100110
32121112110121222011
4330110321231212
54033100042410
6244233024434
734036545343
oct7424715546
92545417864
101012112230
1147a346998
12242b5511a
131318bb29c
14985c17ca
155dcc518a
hex3c539b66

1012112230 has 32 divisors (see below), whose sum is σ = 1838373120. Its totient is φ = 401176800.

The previous prime is 1012112203. The next prime is 1012112239. The reversal of 1012112230 is 322112101.

It is a super-2 number, since 2×10121122302 = 2048742332231145800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012112230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012112239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115437 + ... + 1116343.

It is an arithmetic number, because the mean of its divisors is an integer number (57449160).

Almost surely, 21012112230 is an apocalyptic number.

1012112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012112230 is a deficient number, since it is larger than the sum of its proper divisors (826260890).

1012112230 is a wasteful number, since it uses less digits than its factorization.

1012112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1012112230 is about 31813.7113521827. The cubic root of 1012112230 is about 1004.0212181301.

Adding to 1012112230 its reverse (322112101), we get a palindrome (1334224331).

The spelling of 1012112230 in words is "one billion, twelve million, one hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 151 302 739 755 907 1478 1510 1814 3695 4535 7390 9070 111589 136957 223178 273914 557945 670273 684785 1115890 1340546 1369570 3351365 6702730 101211223 202422446 506056115 1012112230