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207453742289 = 2351415721227
BaseRepresentation
bin1100000100110100110…
…1001110010011010001
3201211110210211000200122
43001031031032103101
511344331124223124
6235145233400025
720662616500043
oct3011515162321
9654423730618
10207453742289
117aa872580a2
1234257a09015
1316741632281
14a07ddd1a93
1555e2a1a75e
hex304d34e4d1

207453742289 has 8 divisors (see below), whose sum is σ = 207601688448. Its totient is φ = 207305851600.

The previous prime is 207453742277. The next prime is 207453742291. The reversal of 207453742289 is 982247354702.

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

It is a cyclic number.

It is not a de Polignac number, because 207453742289 - 228 = 207185306833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 207453742289.

It is not an unprimeable number, because it can be changed into a prime (207053742289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9762494 + ... + 9783720.

It is an arithmetic number, because the mean of its divisors is an integer number (25950211056).

Almost surely, 2207453742289 is an apocalyptic number.

It is an amenable number.

207453742289 is a deficient number, since it is larger than the sum of its proper divisors (147946159).

207453742289 is a wasteful number, since it uses less digits than its factorization.

207453742289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27735.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 207453742289 in words is "two hundred seven billion, four hundred fifty-three million, seven hundred forty-two thousand, two hundred eighty-nine".

Divisors: 1 2351 4157 21227 9773107 49904677 88240639 207453742289