Search a number
-
+
1802151125 = 5337972
BaseRepresentation
bin110101101101010…
…1010010011010101
311122121001202120222
41223122222103111
512142322314000
6454454204125
762442013625
oct15332522325
94577052528
101802151125
118452a38a5
12423653645
13229494218
141314b6885
15a8330a85
hex6b6aa4d5

1802151125 has 12 divisors (see below), whose sum is σ = 2249677092. Its totient is φ = 1441341200.

The previous prime is 1802151107. The next prime is 1802151133. The reversal of 1802151125 is 5211512081.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 1650146884 + 152004241 = 40622^2 + 12329^2 .

It is not a de Polignac number, because 1802151125 - 222 = 1797956821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1802151094 and 1802151103.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 472727 + ... + 476523.

It is an arithmetic number, because the mean of its divisors is an integer number (187473091).

Almost surely, 21802151125 is an apocalyptic number.

It is an amenable number.

1802151125 is a deficient number, since it is larger than the sum of its proper divisors (447525967).

1802151125 is an frugal number, since it uses more digits than its factorization.

1802151125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7609 (or 3802 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 26.

The square root of 1802151125 is about 42451.7505528335. The cubic root of 1802151125 is about 1216.9247831257.

The spelling of 1802151125 in words is "one billion, eight hundred two million, one hundred fifty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 3797 18985 94925 474625 14417209 72086045 360430225 1802151125