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204431403054 = 23291174893121
BaseRepresentation
bin1011111001100100001…
…1111010100000101110
3201112200011202021200110
42332121003322200232
511322133414344204
6233525310240450
720525000153304
oct2763103724056
9645604667613
10204431403054
117977621997a
12337537b6126
131637c428968
149c74852274
1554b7512889
hex2f990fa82e

204431403054 has 16 divisors (see below), whose sum is σ = 422961523920. Its totient is φ = 65794014720.

The previous prime is 204431403037. The next prime is 204431403061. The reversal of 204431403054 is 450304134402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587446387 + ... + 587446734.

It is an arithmetic number, because the mean of its divisors is an integer number (26435095245).

Almost surely, 2204431403054 is an apocalyptic number.

204431403054 is an abundant number, since it is smaller than the sum of its proper divisors (218530120866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204431403054 is a wasteful number, since it uses less digits than its factorization.

204431403054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174893155.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 204431403054 its reverse (450304134402), we get a palindrome (654735537456).

The spelling of 204431403054 in words is "two hundred four billion, four hundred thirty-one million, four hundred three thousand, fifty-four".

Divisors: 1 2 3 6 29 58 87 174 1174893121 2349786242 3524679363 7049358726 34071900509 68143801018 102215701527 204431403054