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42010102025 = 5223457159871
BaseRepresentation
bin100111000111111111…
…110100100100001001
311000102202102022002122
4213013333310210021
51142014041231100
631144342141025
73015022655363
oct470777644411
9130382368078
1042010102025
11168a8675491
128185121775
133c66655a48
142067535d33
15115d1e2985
hex9c7ff4909

42010102025 has 24 divisors (see below), whose sum is σ = 54476703744. Its totient is φ = 32076316800.

The previous prime is 42010101937. The next prime is 42010102039. The reversal of 42010102025 is 52020101024.

It is not a de Polignac number, because 42010102025 - 228 = 41741666569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42010101994 and 42010102012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182840 + ... + 342710.

It is an arithmetic number, because the mean of its divisors is an integer number (2269862656).

Almost surely, 242010102025 is an apocalyptic number.

It is an amenable number.

42010102025 is a deficient number, since it is larger than the sum of its proper divisors (12466601719).

42010102025 is a wasteful number, since it uses less digits than its factorization.

42010102025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160361 (or 160356 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 42010102025 its reverse (52020101024), we get a palindrome (94030203049).

The spelling of 42010102025 in words is "forty-two billion, ten million, one hundred two thousand, twenty-five".

Divisors: 1 5 23 25 115 457 575 2285 10511 11425 52555 159871 262775 799355 3677033 3996775 18385165 73061047 91925825 365305235 1680404081 1826526175 8402020405 42010102025