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152142221225 = 52173719948619
BaseRepresentation
bin1000110110110001100…
…0100000111110101001
3112112201001102121221102
42031230120200332221
54443041402034400
6153520531451145
713664140354121
oct2155430407651
9475631377842
10152142221225
1159583354715
12255a0156ab5
1311468330b97
1475140abc81
153e56bd69d5
hex236c620fa9

152142221225 has 48 divisors (see below), whose sum is σ = 206187696000. Its totient is φ = 110895713280.

The previous prime is 152142221221. The next prime is 152142221267. The reversal of 152142221225 is 522122241251.

It is not a de Polignac number, because 152142221225 - 22 = 152142221221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152142221221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3104966 + ... + 3153584.

It is an arithmetic number, because the mean of its divisors is an integer number (4295577000).

Almost surely, 2152142221225 is an apocalyptic number.

It is an amenable number.

152142221225 is a deficient number, since it is larger than the sum of its proper divisors (54045474775).

152142221225 is a wasteful number, since it uses less digits than its factorization.

152142221225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48882 (or 48877 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

Adding to 152142221225 its reverse (522122241251), we get a palindrome (674264462476).

The spelling of 152142221225 in words is "one hundred fifty-two billion, one hundred forty-two million, two hundred twenty-one thousand, two hundred twenty-five".

Divisors: 1 5 17 25 37 85 185 199 425 629 925 995 3145 3383 4975 7363 15725 16915 36815 48619 84575 125171 184075 243095 625855 826523 1215475 1798903 3129275 4132615 8994515 9675181 20663075 30581351 44972575 48375905 152906755 164478077 241879525 357981697 764533775 822390385 1789908485 4111951925 6085688849 8949542425 30428444245 152142221225