Search a number
-
+
201030150023 = 451794449637
BaseRepresentation
bin1011101100111001010…
…1001010011110000111
3201012220010200201122222
42323032111022132013
511243202204300043
6232204005442555
720344500036563
oct2731625123607
9635803621588
10201030150023
117829030815a
1232b6471045b
1315c598846c1
149a30c3a6a3
155368b0dd68
hex2ece54a787

201030150023 has 4 divisors (see below), whose sum is σ = 201034644840. Its totient is φ = 201025655208.

The previous prime is 201030150007. The next prime is 201030150029. The reversal of 201030150023 is 320051030102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201030150023 - 24 = 201030150007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201030149983 and 201030150010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201030150029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2179640 + ... + 2269997.

It is an arithmetic number, because the mean of its divisors is an integer number (50258661210).

Almost surely, 2201030150023 is an apocalyptic number.

201030150023 is a deficient number, since it is larger than the sum of its proper divisors (4494817).

201030150023 is an equidigital number, since it uses as much as digits as its factorization.

201030150023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494816.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 201030150023 its reverse (320051030102), we get a palindrome (521081180125).

The spelling of 201030150023 in words is "two hundred one billion, thirty million, one hundred fifty thousand, twenty-three".

Divisors: 1 45179 4449637 201030150023