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2150155013 = 4745747979
BaseRepresentation
bin1000000000101000…
…1100001100000101
312112211220012011212
42000022030030011
513400414430023
6553205141205
7104166005336
oct20012141405
95484805155
102150155013
11a03785316
125000ba805
132835cb996
141657c428d
15c8b72e78
hex8028c305

2150155013 has 4 divisors (see below), whose sum is σ = 2195903040. Its totient is φ = 2104406988.

The previous prime is 2150155003. The next prime is 2150155027. The reversal of 2150155013 is 3105510512.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2150155013 - 26 = 2150154949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2150155013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150155003) 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, 22873943 + ... + 22874036.

It is an arithmetic number, because the mean of its divisors is an integer number (548975760).

Almost surely, 22150155013 is an apocalyptic number.

It is an amenable number.

2150155013 is a deficient number, since it is larger than the sum of its proper divisors (45748027).

2150155013 is an equidigital number, since it uses as much as digits as its factorization.

2150155013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45748026.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 2150155013 is about 46369.7639955176. The cubic root of 2150155013 is about 1290.6938984596.

Adding to 2150155013 its reverse (3105510512), we get a palindrome (5255665525).

The spelling of 2150155013 in words is "two billion, one hundred fifty million, one hundred fifty-five thousand, thirteen".

Divisors: 1 47 45747979 2150155013