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204443296512 = 2837132225023
BaseRepresentation
bin1011111001100111000…
…1010010001100000000
3201112201000010112102220
42332121301102030000
511322144440442022
6233530413211040
720525203230150
oct2763161221400
9645630115386
10204443296512
1179781a02684
1233757790a80
1316381a31300
149c7626a760
1554b85b185c
hex2f99c52300

204443296512 has 216 divisors, whose sum is σ = 673365417984. Its totient is φ = 53918871552.

The previous prime is 204443296483. The next prime is 204443296513. The reversal of 204443296512 is 215692344402.

It is a super-2 number, since 2×2044432965122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (204443296513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 796033 + ... + 1021055.

Almost surely, 2204443296512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204443296512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336682708992).

204443296512 is an abundant number, since it is smaller than the sum of its proper divisors (468922121472).

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

204443296512 is a wasteful number, since it uses less digits than its factorization.

204443296512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225075 (or 225048 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 204443296512 in words is "two hundred four billion, four hundred forty-three million, two hundred ninety-six thousand, five hundred twelve".