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142130124 = 22327354083
BaseRepresentation
bin10000111100010…
…11101111001100
3100220102221212200
420132023233030
5242341130444
622034201500
73344041353
oct1036135714
9326387780
10142130124
1173257514
123b723290
13235a4a86
1414c3a99a
15c727969
hex878bbcc

142130124 has 36 divisors (see below), whose sum is σ = 364201656. Its totient is φ = 46726848.

The previous prime is 142130119. The next prime is 142130137. The reversal of 142130124 is 421031241.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142130097 and 142130106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24414 + ... + 29669.

Almost surely, 2142130124 is an apocalyptic number.

It is an amenable number.

142130124 is an abundant number, since it is smaller than the sum of its proper divisors (222071532).

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

142130124 is a wasteful number, since it uses less digits than its factorization.

142130124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54166 (or 54161 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142130124 is about 11921.8339193263. The cubic root of 142130124 is about 521.8696552168.

Adding to 142130124 its reverse (421031241), we get a palindrome (563161365).

The spelling of 142130124 in words is "one hundred forty-two million, one hundred thirty thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 1314 2628 54083 108166 162249 216332 324498 486747 648996 973494 1946988 3948059 7896118 11844177 15792236 23688354 35532531 47376708 71065062 142130124