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244001451620 = 22512200072581
BaseRepresentation
bin1110001100111110011…
…1101010111001100100
3212022210212210000200202
43203033213222321210
512444203332422440
6304032005530032
723425404055343
oct3431747527144
9768725700622
10244001451620
1194531505053
123b357713918
131a0173b0a94
14bb49c9db5a
1565313bb615
hex38cf9eae64

244001451620 has 12 divisors (see below), whose sum is σ = 512403048444. Its totient is φ = 97600580640.

The previous prime is 244001451607. The next prime is 244001451649. The reversal of 244001451620 is 26154100442.

It can be written as a sum of positive squares in 2 ways, for example, as 92790907456 + 151210544164 = 304616^2 + 388858^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6100036271 + ... + 6100036310.

It is an arithmetic number, because the mean of its divisors is an integer number (42700254037).

Almost surely, 2244001451620 is an apocalyptic number.

244001451620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244001451620 is an abundant number, since it is smaller than the sum of its proper divisors (268401596824).

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

244001451620 is a wasteful number, since it uses less digits than its factorization.

244001451620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200072590 (or 12200072588 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 244001451620 in words is "two hundred forty-four billion, one million, four hundred fifty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 12200072581 24400145162 48800290324 61000362905 122000725810 244001451620