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2150455044 = 223179204587
BaseRepresentation
bin1000000000101101…
…0101011100000100
312112212110102202010
42000023111130010
513401004030134
6553215414220
7104201365143
oct20013253404
95485412663
102150455044
11a0396a781
12500224370
132836a540a
1416586175a
15c8bd1ce9
hex802d5704

2150455044 has 12 divisors (see below), whose sum is σ = 5017728464. Its totient is φ = 716818344.

The previous prime is 2150455037. The next prime is 2150455049. The reversal of 2150455044 is 4405540512.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2150455049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89602282 + ... + 89602305.

Almost surely, 22150455044 is an apocalyptic number.

It is an amenable number.

2150455044 is an abundant number, since it is smaller than the sum of its proper divisors (2867273420).

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

2150455044 is a wasteful number, since it uses less digits than its factorization.

2150455044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179204594 (or 179204592 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2150455044 is about 46372.9990835184. Note that the first 3 decimals coincide. The cubic root of 2150455044 is about 1290.7539298167.

Adding to 2150455044 its reverse (4405540512), we get a palindrome (6555995556).

The spelling of 2150455044 in words is "two billion, one hundred fifty million, four hundred fifty-five thousand, forty-four".

Divisors: 1 2 3 4 6 12 179204587 358409174 537613761 716818348 1075227522 2150455044