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2115046550 = 25242300931
BaseRepresentation
bin111111000010001…
…0000110010010110
312110101211111102102
41332010100302112
513312422442200
6545512442102
7103261412321
oct17604206226
95411744372
102115046550
11995985861
124b03a9332
13279258746
14160c857b8
15c5a3a6d5
hex7e110c96

2115046550 has 12 divisors (see below), whose sum is σ = 3933986676. Its totient is φ = 846018600.

The previous prime is 2115046543. The next prime is 2115046559. The reversal of 2115046550 is 556405112.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115046559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21150416 + ... + 21150515.

It is an arithmetic number, because the mean of its divisors is an integer number (327832223).

Almost surely, 22115046550 is an apocalyptic number.

2115046550 is a deficient number, since it is larger than the sum of its proper divisors (1818940126).

2115046550 is a wasteful number, since it uses less digits than its factorization.

2115046550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42300943 (or 42300938 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 2115046550 is about 45989.6352453463. The cubic root of 2115046550 is about 1283.6303493486.

The spelling of 2115046550 in words is "two billion, one hundred fifteen million, forty-six thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 42300931 84601862 211504655 423009310 1057523275 2115046550