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142210061525 = 52729216112967
BaseRepresentation
bin1000010001110001100…
…0010101010011010101
3111121001212022122012202
42010130120111103111
54312221233432100
6145155211054245
713163045402240
oct2043430252325
9447055278182
10142210061525
1155346966074
1223689a41385
13105447071cc
146c50d68257
153a74c797d5
hex211c6154d5

142210061525 has 48 divisors (see below), whose sum is σ = 208593911040. Its totient is φ = 94102041600.

The previous prime is 142210061491. The next prime is 142210061531. The reversal of 142210061525 is 525160012241.

It is a de Polignac number, because none of the positive numbers 2k-142210061525 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10960592 + ... + 10973558.

It is an arithmetic number, because the mean of its divisors is an integer number (4345706480).

Almost surely, 2142210061525 is an apocalyptic number.

It is an amenable number.

142210061525 is a deficient number, since it is larger than the sum of its proper divisors (66383849515).

142210061525 is a wasteful number, since it uses less digits than its factorization.

142210061525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15174 (or 15169 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 142210061525 its reverse (525160012241), we get a palindrome (667370073766).

The spelling of 142210061525 in words is "one hundred forty-two billion, two hundred ten million, sixty-one thousand, five hundred twenty-five".

Divisors: 1 5 7 25 29 35 145 175 203 725 1015 2161 5075 10805 12967 15127 54025 62669 64835 75635 90769 313345 324175 376043 378175 438683 453845 1566725 1880215 2193415 2269225 2632301 9401075 10967075 13161505 28021687 65807525 140108435 196151809 700542175 812628923 980759045 4063144615 4903795225 5688402461 20315723075 28442012305 142210061525