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2108401450 = 252311360259
BaseRepresentation
bin111110110101011…
…1010011100101010
312102221022220001121
41331222322130222
513304222321300
6545114205454
7103151055001
oct17552723452
95387286047
102108401450
11992157241
124aa12388a
13277a6cc2c
14160035c38
15c517681a
hex7daba72a

2108401450 has 24 divisors (see below), whose sum is σ = 4048133760. Its totient is φ = 816154800.

The previous prime is 2108401439. The next prime is 2108401469. The reversal of 2108401450 is 541048012.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678580 + ... + 681679.

It is an arithmetic number, because the mean of its divisors is an integer number (168672240).

Almost surely, 22108401450 is an apocalyptic number.

2108401450 is a deficient number, since it is larger than the sum of its proper divisors (1939732310).

2108401450 is a wasteful number, since it uses less digits than its factorization.

2108401450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360302 (or 1360297 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 2108401450 is about 45917.3327840370. The cubic root of 2108401450 is about 1282.2846262876.

Adding to 2108401450 its reverse (541048012), we get a palindrome (2649449462).

The spelling of 2108401450 in words is "two billion, one hundred eight million, four hundred one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 31 50 62 155 310 775 1550 1360259 2720518 6801295 13602590 34006475 42168029 68012950 84336058 210840145 421680290 1054200725 2108401450