Search a number
-
+
10203971450 = 252204079429
BaseRepresentation
bin10011000000011010…
…00011111101111010
3222100010120110100112
421200031003331322
5131344204041300
64404310304322
7510602216621
oct114015037572
928303513315
1010203971450
11436696a862
121b893580a2
13c6803533a
146cb29a6b8
153eac4de35
hex260343f7a

10203971450 has 12 divisors (see below), whose sum is σ = 18979386990. Its totient is φ = 4081588560.

The previous prime is 10203971447. The next prime is 10203971461. The reversal of 10203971450 is 5417930201.

10203971450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5938705969 + 4265265481 = 77063^2 + 65309^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 102039665 + ... + 102039764.

Almost surely, 210203971450 is an apocalyptic number.

10203971450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10203971450 is a deficient number, since it is larger than the sum of its proper divisors (8775415540).

10203971450 is a wasteful number, since it uses less digits than its factorization.

10203971450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204079441 (or 204079436 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 10203971450 in words is "ten billion, two hundred three million, nine hundred seventy-one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 204079429 408158858 1020397145 2040794290 5101985725 10203971450