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1142103210 = 23538070107
BaseRepresentation
bin100010000010011…
…0001110010101010
32221121001212001220
41010010301302222
54314334300320
6305155122510
740205500653
oct10404616252
92847055056
101142103210
11536762056
1227a5a3436
13152802921
14ab97c52a
156a400e40
hex44131caa

1142103210 has 16 divisors (see below), whose sum is σ = 2741047776. Its totient is φ = 304560848.

The previous prime is 1142103191. The next prime is 1142103211. The reversal of 1142103210 is 123012411.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1142103210.

It is not an unprimeable number, because it can be changed into a prime (1142103211) 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, 19035024 + ... + 19035083.

It is an arithmetic number, because the mean of its divisors is an integer number (171315486).

Almost surely, 21142103210 is an apocalyptic number.

1142103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142103210 is an abundant number, since it is smaller than the sum of its proper divisors (1598944566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142103210 is a wasteful number, since it uses less digits than its factorization.

1142103210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38070117.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1142103210 is about 33795.0175321748. The cubic root of 1142103210 is about 1045.2859606745.

Adding to 1142103210 its reverse (123012411), we get a palindrome (1265115621).

The spelling of 1142103210 in words is "one billion, one hundred forty-two million, one hundred three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 38070107 76140214 114210321 190350535 228420642 380701070 571051605 1142103210