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1020144124 = 221924117231
BaseRepresentation
bin111100110011100…
…010100111111100
32122002120200122201
4330303202213330
54042124102444
6245121121244
734165040056
oct7463424774
92562520581
101020144124
1148393241a
12245789224
1313347109c
14996b28d6
155e85edd4
hex3cce29fc

1020144124 has 36 divisors (see below), whose sum is σ = 1930225248. Its totient is φ = 471412800.

The previous prime is 1020144113. The next prime is 1020144127. The reversal of 1020144124 is 4214410201.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020144127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50589 + ... + 67819.

It is an arithmetic number, because the mean of its divisors is an integer number (53617368).

Almost surely, 21020144124 is an apocalyptic number.

It is an amenable number.

1020144124 is a deficient number, since it is larger than the sum of its proper divisors (910081124).

1020144124 is a wasteful number, since it uses less digits than its factorization.

1020144124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17314 (or 17293 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1020144124 is about 31939.6951143871. The cubic root of 1020144124 is about 1006.6701185989.

Adding to 1020144124 its reverse (4214410201), we get a palindrome (5234554325).

The spelling of 1020144124 in words is "one billion, twenty million, one hundred forty-four thousand, one hundred twenty-four".

Divisors: 1 2 4 19 38 41 76 82 164 361 722 779 1444 1558 3116 14801 17231 29602 34462 59204 68924 327389 654778 706471 1309556 1412942 2825884 6220391 12440782 13422949 24881564 26845898 53691796 255036031 510072062 1020144124