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204021452143 = 1931245942967
BaseRepresentation
bin1011111000000010100…
…0000100110101101111
3201111121121100121202101
42332000220010311233
511320313442432033
6233420503435531
720511561505165
oct2760050046557
9644547317671
10204021452143
1179585877773
123365a455ba7
1316315511c62
149c3621b235
15549153597d
hex2f80a04d6f

204021452143 has 8 divisors (see below), whose sum is σ = 204214872960. Its totient is φ = 203828126040.

The previous prime is 204021452009. The next prime is 204021452153. The reversal of 204021452143 is 341254120402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-204021452143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204021452153) 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, 4726846 + ... + 4769812.

It is an arithmetic number, because the mean of its divisors is an integer number (25526859120).

Almost surely, 2204021452143 is an apocalyptic number.

204021452143 is a deficient number, since it is larger than the sum of its proper divisors (193420817).

204021452143 is a wasteful number, since it uses less digits than its factorization.

204021452143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47357.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 204021452143 its reverse (341254120402), we get a palindrome (545275572545).

The spelling of 204021452143 in words is "two hundred four billion, twenty-one million, four hundred fifty-two thousand, one hundred forty-three".

Divisors: 1 1931 2459 42967 4748329 82969277 105655853 204021452143