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2150453125 = 56229601
BaseRepresentation
bin1000000000101101…
…0100111110000101
312112212110100010001
42000023110332011
513401004000000
6553215401301
7104201356432
oct20013247605
95485410101
102150453125
11a03969297
12500223231
132836a4592
14165860b89
15c8bd146a
hex802d4f85

2150453125 has 28 divisors (see below), whose sum is σ = 2704262260. Its totient is φ = 1710000000.

The previous prime is 2150453101. The next prime is 2150453141. The reversal of 2150453125 is 5213540512.

It can be written as a sum of positive squares in 14 ways, for example, as 2149435044 + 1018081 = 46362^2 + 1009^2 .

It is not a de Polignac number, because 2150453125 - 29 = 2150452613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2150453093 and 2150453102.

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 27 ways as a sum of consecutive naturals, for example, 3577825 + ... + 3578425.

It is an arithmetic number, because the mean of its divisors is an integer number (96580795).

Almost surely, 22150453125 is an apocalyptic number.

2150453125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150453125 is a deficient number, since it is larger than the sum of its proper divisors (553809135).

2150453125 is an frugal number, since it uses more digits than its factorization.

2150453125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2150453125 is about 46372.9783925941. The cubic root of 2150453125 is about 1290.7535458736.

Adding to 2150453125 its reverse (5213540512), we get a palindrome (7363993637).

The spelling of 2150453125 in words is "two billion, one hundred fifty million, four hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 229 601 625 1145 3005 3125 5725 15025 15625 28625 75125 137629 143125 375625 688145 715625 1878125 3440725 3578125 9390625 17203625 86018125 430090625 2150453125