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142453035530 = 25132451718661
BaseRepresentation
bin1000010010101011011…
…1001101001000001010
3111121200210111222212222
42010222313031020022
54313220434114110
6145235250534042
713202055552251
oct2045267151012
9447623458788
10142453035530
1155461030033
1223737297322
1310582b59900
146c75335798
153a8b271c55
hex212adcd20a

142453035530 has 48 divisors (see below), whose sum is σ = 277733333304. Its totient is φ = 52583581440.

The previous prime is 142453035481. The next prime is 142453035533. The reversal of 142453035530 is 35530354241.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 55211370841 + 87241664689 = 234971^2 + 295367^2 .

It is a super-2 number, since 2×1424530355302 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142453035533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7624400 + ... + 7643060.

Almost surely, 2142453035530 is an apocalyptic number.

142453035530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142453035530 is a deficient number, since it is larger than the sum of its proper divisors (135280297774).

142453035530 is a wasteful number, since it uses less digits than its factorization.

142453035530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23211 (or 23198 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 142453035530 its reverse (35530354241), we get a palindrome (177983389771).

The spelling of 142453035530 in words is "one hundred forty-two billion, four hundred fifty-three million, thirty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 4517 9034 18661 22585 37322 45170 58721 93305 117442 186610 242593 293605 485186 587210 763373 1212965 1526746 2425930 3153709 3816865 6307418 7633730 15768545 31537090 84291737 168583474 421458685 842917370 1095792581 2191585162 5478962905 10957925810 14245303553 28490607106 71226517765 142453035530