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207242820127 = 738377300567
BaseRepresentation
bin1100000100000010100…
…0100111101000011111
3201210221002221001212201
43001000220213220133
511343413130221002
6235112300512331
720654445622450
oct3010050475037
9653832831781
10207242820127
117a989195162
12341b924b6a7
1316709a22765
14a05dda9127
1555ce255087
hex3040a27a1f

207242820127 has 8 divisors (see below), whose sum is σ = 237467344896. Its totient is φ = 177172897272.

The previous prime is 207242820121. The next prime is 207242820133. The reversal of 207242820127 is 721028242702.

It is an interprime number because it is at equal distance from previous prime (207242820121) and next prime (207242820133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 207242820127 - 23 = 207242820119 is a prime.

It is a super-2 number, since 2×2072428201272 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207242820121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38647603 + ... + 38652964.

It is an arithmetic number, because the mean of its divisors is an integer number (29683418112).

Almost surely, 2207242820127 is an apocalyptic number.

207242820127 is a deficient number, since it is larger than the sum of its proper divisors (30224524769).

207242820127 is an equidigital number, since it uses as much as digits as its factorization.

207242820127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77300957.

The product of its (nonzero) digits is 50176, while the sum is 37.

The spelling of 207242820127 in words is "two hundred seven billion, two hundred forty-two million, eight hundred twenty thousand, one hundred twenty-seven".

Divisors: 1 7 383 2681 77300567 541103969 29606117161 207242820127