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2149142470 = 25214914247
BaseRepresentation
bin1000000000011001…
…0100111111000110
312112202222202020021
42000012110333012
513400140024340
6553131325354
7104154260326
oct20006247706
95482882207
102149142470
11a03153602
124bb8b085a
13283335b47
141655dd286
15c8a22e4a
hex80194fc6

2149142470 has 8 divisors (see below), whose sum is σ = 3868456464. Its totient is φ = 859656984.

The previous prime is 2149142453. The next prime is 2149142477. The reversal of 2149142470 is 742419412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149142477) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 107457114 + ... + 107457133.

It is an arithmetic number, because the mean of its divisors is an integer number (483557058).

Almost surely, 22149142470 is an apocalyptic number.

2149142470 is a deficient number, since it is larger than the sum of its proper divisors (1719313994).

2149142470 is a wasteful number, since it uses less digits than its factorization.

2149142470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214914254.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2149142470 is about 46358.8445714515. The cubic root of 2149142470 is about 1290.4912637252.

The spelling of 2149142470 in words is "two billion, one hundred forty-nine million, one hundred forty-two thousand, four hundred seventy".

Divisors: 1 2 5 10 214914247 429828494 1074571235 2149142470