Search a number
-
+
1901283233 is a prime number
BaseRepresentation
bin111000101010011…
…0100011110100001
311220111121012021112
41301110310132201
512343212030413
6512355033105
765054432543
oct16124643641
94814535245
101901283233
11896252263
1245089b795
13243b92985
1414071d693
15b1db32a8
hex715347a1

1901283233 has 2 divisors, whose sum is σ = 1901283234. Its totient is φ = 1901283232.

The previous prime is 1901283217. The next prime is 1901283269. The reversal of 1901283233 is 3323821091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1870735504 + 30547729 = 43252^2 + 5527^2 .

It is a cyclic number.

It is not a de Polignac number, because 1901283233 - 24 = 1901283217 is a prime.

It is a super-2 number, since 2×19012832332 = 7229755864173864578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1901283233.

It is not a weakly prime, because it can be changed into another prime (1901283833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950641616 + 950641617.

It is an arithmetic number, because the mean of its divisors is an integer number (950641617).

Almost surely, 21901283233 is an apocalyptic number.

It is an amenable number.

1901283233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1901283233 is an equidigital number, since it uses as much as digits as its factorization.

1901283233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1901283233 is about 43603.7066428991. The cubic root of 1901283233 is about 1238.8411026787.

The spelling of 1901283233 in words is "one billion, nine hundred one million, two hundred eighty-three thousand, two hundred thirty-three".