Search a number
-
+
103012120133 = 137924009241
BaseRepresentation
bin101111111110000000…
…0000011011001000101
3100211220002110220021122
41133330000003121011
53141432100321013
6115153443123325
710304510400566
oct1377400033105
9324802426248
10103012120133
113a76172458a
1217b6a673545
139938878850
144db310016d
152a2d8c4a08
hex17fc003645

103012120133 has 4 divisors (see below), whose sum is σ = 110936129388. Its totient is φ = 95088110880.

The previous prime is 103012120093. The next prime is 103012120147. The reversal of 103012120133 is 331021210301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9597533089 + 93414587044 = 97967^2 + 305638^2 .

It is a cyclic number.

It is not a de Polignac number, because 103012120133 - 26 = 103012120069 is a prime.

It is a super-2 number, since 2×1030121201332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103012120153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3962004608 + ... + 3962004633.

It is an arithmetic number, because the mean of its divisors is an integer number (27734032347).

Almost surely, 2103012120133 is an apocalyptic number.

103012120133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103012120133 is a deficient number, since it is larger than the sum of its proper divisors (7924009255).

103012120133 is an equidigital number, since it uses as much as digits as its factorization.

103012120133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924009254.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103012120133 its reverse (331021210301), we get a palindrome (434033330434).

The spelling of 103012120133 in words is "one hundred three billion, twelve million, one hundred twenty thousand, one hundred thirty-three".

Divisors: 1 13 7924009241 103012120133