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42012523103025 = 3521929482472353
BaseRepresentation
bin10011000110101110011011…
…00001000000001100110001
312111202100122222012102002010
421203113031201000030301
521001313121403244100
6225204141530513133
711564206326134166
oct1143271541001461
9174670588172063
1042012523103025
1112428458033582
124866384b957a9
131a599c1477367
14a535ba23406d
154ccc97348750
hex2635cd840331

42012523103025 has 24 divisors (see below), whose sum is σ = 73116531437920. Its totient is φ = 21227380093440.

The previous prime is 42012523102993. The next prime is 42012523103029. The reversal of 42012523103025 is 52030132521024.

It is not a de Polignac number, because 42012523103025 - 25 = 42012523102993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42012523102983 and 42012523103001.

It is not an unprimeable number, because it can be changed into a prime (42012523103029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14741234752 + ... + 14741237601.

Almost surely, 242012523103025 is an apocalyptic number.

It is an amenable number.

42012523103025 is a deficient number, since it is larger than the sum of its proper divisors (31104008334895).

42012523103025 is a wasteful number, since it uses less digits than its factorization.

42012523103025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29482472385 (or 29482472380 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 42012523103025 its reverse (52030132521024), we get a palindrome (94042655624049).

The spelling of 42012523103025 in words is "forty-two trillion, twelve billion, five hundred twenty-three million, one hundred three thousand, twenty-five".

Divisors: 1 3 5 15 19 25 57 75 95 285 475 1425 29482472353 88447417059 147412361765 442237085295 560166974707 737061808825 1680500924121 2211185426475 2800834873535 8402504620605 14004174367675 42012523103025