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1012142230 = 251114336421
BaseRepresentation
bin111100010101000…
…001000010010110
32121112112011010021
4330111001002112
54033102022410
6244233415354
734040031661
oct7425010226
92545464107
101012142230
1147a367490
12242b6a55a
131318cbb38
14985cc6d8
155dccdeda
hex3c541096

1012142230 has 32 divisors (see below), whose sum is σ = 1989175968. Its totient is φ = 367737600.

The previous prime is 1012142221. The next prime is 1012142231. The reversal of 1012142230 is 322412101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012142231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154420 + ... + 160840.

It is an arithmetic number, because the mean of its divisors is an integer number (62161749).

Almost surely, 21012142230 is an apocalyptic number.

1012142230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012142230 is a deficient number, since it is larger than the sum of its proper divisors (977033738).

1012142230 is a wasteful number, since it uses less digits than its factorization.

1012142230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7872.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1012142230 is about 31814.1828435055. The cubic root of 1012142230 is about 1004.0311380903.

Adding to 1012142230 its reverse (322412101), we get a palindrome (1334554331).

The spelling of 1012142230 in words is "one billion, twelve million, one hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1433 2866 6421 7165 12842 14330 15763 31526 32105 64210 70631 78815 141262 157630 353155 706310 9201293 18402586 46006465 92012930 101214223 202428446 506071115 1012142230