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1020031142 = 213611793593
BaseRepresentation
bin111100110011000…
…111000010100110
32122002100221200012
4330303013002212
54042111444032
6245114450222
734164056504
oct7463070246
92562327605
101020031142
11483865549
12245733972
13133431830
1499683674
155e83b6b2
hex3ccc70a6

1020031142 has 32 divisors (see below), whose sum is σ = 1684579680. Its totient is φ = 460350720.

The previous prime is 1020031141. The next prime is 1020031183. The reversal of 1020031142 is 2411300201.

1020031142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020031141) 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, 282098 + ... + 285690.

It is an arithmetic number, because the mean of its divisors is an integer number (52643115).

Almost surely, 21020031142 is an apocalyptic number.

1020031142 is a deficient number, since it is larger than the sum of its proper divisors (664548538).

1020031142 is a wasteful number, since it uses less digits than its factorization.

1020031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1020031142 is about 31937.9263885431. The cubic root of 1020031142 is about 1006.6329539802.

Adding to 1020031142 its reverse (2411300201), we get a palindrome (3431331343).

The spelling of 1020031142 in words is "one billion, twenty million, thirty-one thousand, one hundred forty-two".

Divisors: 1 2 13 26 61 122 179 358 793 1586 2327 3593 4654 7186 10919 21838 46709 93418 141947 219173 283894 438346 643147 1286294 2849249 5698498 8360911 16721822 39231967 78463934 510015571 1020031142