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2142050500 = 225319225479
BaseRepresentation
bin111111110101101…
…0001100011000100
312112021122102212201
41333223101203010
513341331104000
6552315324244
7104040062122
oct17753214304
95467572781
102142050500
119aa14a277
124b9450684
13281a21b05
141646b4912
15c80c196a
hex7fad18c4

2142050500 has 48 divisors (see below), whose sum is σ = 4924483200. Its totient is φ = 811720800.

The previous prime is 2142050483. The next prime is 2142050503. The reversal of 2142050500 is 50502412.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (2142050503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103240 + ... + 122239.

It is an arithmetic number, because the mean of its divisors is an integer number (102593400).

Almost surely, 22142050500 is an apocalyptic number.

2142050500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142050500 is an abundant number, since it is smaller than the sum of its proper divisors (2782432700).

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

2142050500 is a wasteful number, since it uses less digits than its factorization.

2142050500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225517 (or 225505 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2142050500 is about 46282.2914298763. The cubic root of 2142050500 is about 1289.0701991214.

Adding to 2142050500 its reverse (50502412), we get a palindrome (2192552912).

The spelling of 2142050500 in words is "two billion, one hundred forty-two million, fifty thousand, five hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 125 190 250 380 475 500 950 1900 2375 4750 9500 225479 450958 901916 1127395 2254790 4284101 4509580 5636975 8568202 11273950 17136404 21420505 22547900 28184875 42841010 56369750 85682020 107102525 112739500 214205050 428410100 535512625 1071025250 2142050500