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2150401405 = 54343323099
BaseRepresentation
bin1000000000101100…
…1000010101111101
312112212100201011111
42000023020111331
513401000321110
6553214322021
7104201052565
oct20013102575
95485321144
102150401405
11a03933449
125001b9311
13283686b89
14165849da5
15c8bc0e8a
hex802c857d

2150401405 has 16 divisors (see below), whose sum is σ = 2646705600. Its totient is φ = 1676360448.

The previous prime is 2150401339. The next prime is 2150401423. The reversal of 2150401405 is 5041040512.

It is a cyclic number.

It is not a de Polignac number, because 2150401405 - 219 = 2149877117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81546 + ... + 104644.

It is an arithmetic number, because the mean of its divisors is an integer number (165419100).

Almost surely, 22150401405 is an apocalyptic number.

It is an amenable number.

2150401405 is a deficient number, since it is larger than the sum of its proper divisors (496304195).

2150401405 is a wasteful number, since it uses less digits than its factorization.

2150401405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23580.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2150401405 is about 46372.4207368992. The cubic root of 2150401405 is about 1290.7431979291.

Adding to 2150401405 its reverse (5041040512), we get a palindrome (7191441917).

The spelling of 2150401405 in words is "two billion, one hundred fifty million, four hundred one thousand, four hundred five".

Divisors: 1 5 43 215 433 2165 18619 23099 93095 115495 993257 4966285 10001867 50009335 430080281 2150401405