Search a number
-
+
1300102031 = 53211116257
BaseRepresentation
bin100110101111101…
…1111101110001111
310100121101000201002
41031133133232033
510130311231111
6333001410515
744134453634
oct11537375617
93317330632
101300102031
11607967998
12303499a3b
13179472557
14c494a18b
157921063b
hex4d7dfb8f

1300102031 has 8 divisors (see below), whose sum is σ = 1330921584. Its totient is φ = 1269515520.

The previous prime is 1300102009. The next prime is 1300102039. The reversal of 1300102031 is 1302010031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1300102031 - 218 = 1299839887 is a prime.

It is a super-2 number, since 2×13001020312 = 3380530582020649922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300102039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46946 + ... + 69311.

It is an arithmetic number, because the mean of its divisors is an integer number (166365198).

Almost surely, 21300102031 is an apocalyptic number.

1300102031 is a deficient number, since it is larger than the sum of its proper divisors (30819553).

1300102031 is a wasteful number, since it uses less digits than its factorization.

1300102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116521.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1300102031 is about 36056.9276422715. The cubic root of 1300102031 is about 1091.4214351109.

Adding to 1300102031 its reverse (1302010031), we get a palindrome (2602112062).

The spelling of 1300102031 in words is "one billion, three hundred million, one hundred two thousand, thirty-one".

Divisors: 1 53 211 11183 116257 6161621 24530227 1300102031