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204042351430 = 2520404235143
BaseRepresentation
bin1011111000000111011…
…1110011001101000110
3201111200001200102012001
42332001313303031012
511320334320221210
6233422531415514
720512234241101
oct2760167631506
9644601612161
10204042351430
1179596651705
123366545459a
131631994b7b8
149c38cdb738
1554932b303a
hex2f81df3346

204042351430 has 8 divisors (see below), whose sum is σ = 367276232592. Its totient is φ = 81616940568.

The previous prime is 204042351407. The next prime is 204042351431. The reversal of 204042351430 is 34153240402.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204042351431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10202117562 + ... + 10202117581.

It is an arithmetic number, because the mean of its divisors is an integer number (45909529074).

Almost surely, 2204042351430 is an apocalyptic number.

204042351430 is a deficient number, since it is larger than the sum of its proper divisors (163233881162).

204042351430 is a wasteful number, since it uses less digits than its factorization.

204042351430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20404235150.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 204042351430 its reverse (34153240402), we get a palindrome (238195591832).

The spelling of 204042351430 in words is "two hundred four billion, forty-two million, three hundred fifty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 20404235143 40808470286 102021175715 204042351430