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142020013124 = 221125657125803
BaseRepresentation
bin1000010001000100001…
…1010110110001000100
3111120120121201011211002
42010101003112301010
54311324110404444
6145124301432432
713155250123253
oct2042103266104
9446517634732
10142020013124
115525965a980
122363626b718
1310514225732
146c33a1679a
153a63238d4e
hex21110d6c44

142020013124 has 24 divisors (see below), whose sum is σ = 271141838688. Its totient is φ = 64551522240.

The previous prime is 142020013097. The next prime is 142020013139. The reversal of 142020013124 is 421310020241.

It is a super-2 number, since 2×1420200131242 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142020013096 and 142020013105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066007 + ... + 1191809.

It is an arithmetic number, because the mean of its divisors is an integer number (11297576612).

Almost surely, 2142020013124 is an apocalyptic number.

It is an amenable number.

142020013124 is a deficient number, since it is larger than the sum of its proper divisors (129121825564).

142020013124 is a wasteful number, since it uses less digits than its factorization.

142020013124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151475 (or 151473 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 142020013124 its reverse (421310020241), we get a palindrome (563330033365).

The spelling of 142020013124 in words is "one hundred forty-two billion, twenty million, thirteen thousand, one hundred twenty-four".

Divisors: 1 2 4 11 22 44 25657 51314 102628 125803 251606 282227 503212 564454 1128908 1383833 2767666 5535332 3227727571 6455455142 12910910284 35505003281 71010006562 142020013124