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142140312124 = 221071791855327
BaseRepresentation
bin1000010001100000111…
…0010000101000111100
3111120220000002000000121
42010120032100220330
54312100404441444
6145144240104324
713161240501226
oct2043016205074
9446800060017
10142140312124
1155310556338
122366a6050a4
1310533125785
146c459ad416
153a6da9d084
hex2118390a3c

142140312124 has 24 divisors (see below), whose sum is σ = 252473034240. Its totient is φ = 70012581936.

The previous prime is 142140312091. The next prime is 142140312131. The reversal of 142140312124 is 421213041241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851052 + ... + 1004275.

It is an arithmetic number, because the mean of its divisors is an integer number (10519709760).

Almost surely, 2142140312124 is an apocalyptic number.

It is an amenable number.

142140312124 is a deficient number, since it is larger than the sum of its proper divisors (110332722116).

142140312124 is a wasteful number, since it uses less digits than its factorization.

142140312124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855617 (or 1855615 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 142140312124 its reverse (421213041241), we get a palindrome (563353353365).

The spelling of 142140312124 in words is "one hundred forty-two billion, one hundred forty million, three hundred twelve thousand, one hundred twenty-four".

Divisors: 1 2 4 107 179 214 358 428 716 19153 38306 76612 1855327 3710654 7421308 198519989 332103533 397039978 664207066 794079956 1328414132 35535078031 71070156062 142140312124