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42102322525 = 52291131313923
BaseRepresentation
bin100111001101011111…
…100111010101011101
311000200011221120211201
4213031133213111131
51142211143310100
631201434515501
73020222556664
oct471537472535
9130604846751
1042102322525
111694573307a
1281abb95b91
133c7c7a45a3
14207589dddb
15116635c36a
hex9cd7e755d

42102322525 has 48 divisors (see below), whose sum is σ = 54914967360. Its totient is φ = 31978419200.

The previous prime is 42102322511. The next prime is 42102322541. The reversal of 42102322525 is 52522320124.

It is not a de Polignac number, because 42102322525 - 27 = 42102322397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42102322493 and 42102322502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10730214 + ... + 10734136.

It is an arithmetic number, because the mean of its divisors is an integer number (1144061820).

Almost surely, 242102322525 is an apocalyptic number.

It is an amenable number.

42102322525 is a deficient number, since it is larger than the sum of its proper divisors (12812644835).

42102322525 is a wasteful number, since it uses less digits than its factorization.

42102322525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206 (or 4201 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 42102322525 its reverse (52522320124), we get a palindrome (94624642649).

The spelling of 42102322525 in words is "forty-two billion, one hundred two million, three hundred twenty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 29 113 131 145 565 655 725 2825 3275 3277 3799 3923 14803 16385 18995 19615 74015 81925 94975 98075 113767 370075 429287 443299 513913 568835 2146435 2216495 2569565 2844175 10732175 11082475 12847825 12855671 14903477 58072169 64278355 74517385 290360845 321391775 372586925 1451804225 1684092901 8420464505 42102322525