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42521130232 = 2372372931683
BaseRepresentation
bin100111100110011101…
…001111010011111000
311001202101000020000021
4213212131033103320
51144040402131412
631311155220224
73033466433500
oct474635172370
9131671006007
1042521130232
1117040084549
1282a82a7674
13401849c6b9
1420b535ca00
15118ced8607
hex9e674f4f8

42521130232 has 48 divisors (see below), whose sum is σ = 95250413160. Its totient is φ = 17730812736.

The previous prime is 42521130227. The next prime is 42521130233. The reversal of 42521130232 is 23203112524.

It is a junction number, because it is equal to n+sod(n) for n = 42521130197 and 42521130206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42521130233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1451338 + ... + 1480345.

Almost surely, 242521130232 is an apocalyptic number.

It is an amenable number.

42521130232 is an abundant number, since it is smaller than the sum of its proper divisors (52729282928).

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

42521130232 is a wasteful number, since it uses less digits than its factorization.

42521130232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931740 (or 2931729 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 42521130232 its reverse (23203112524), we get a palindrome (65724242756).

The spelling of 42521130232 in words is "forty-two billion, five hundred twenty-one million, one hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 37 49 56 74 98 148 196 259 296 392 518 1036 1813 2072 3626 7252 14504 2931683 5863366 11726732 20521781 23453464 41043562 82087124 108472271 143652467 164174248 216944542 287304934 433889084 574609868 759305897 867778168 1149219736 1518611794 3037223588 5315141279 6074447176 10630282558 21260565116 42521130232