Search a number
-
+
103011030232321 = 83214952972889
BaseRepresentation
bin10111011011000000011111…
…110111010110110100000001
3111111201202110210220122220211
4113123000133313112310001
5102000213042214413241
61003030340342234121
730461205233626141
oct2733003767266401
9444652423818824
10103011030232321
112a90580708a732
12b678289725941
134562b8ac27123
141b61a90a08921
15bd9847575781
hex5db01fdd6d01

103011030232321 has 6 divisors (see below), whose sum is σ = 104267079961970. Its totient is φ = 101769933475728.

The previous prime is 103011030232273. The next prime is 103011030232339. The reversal of 103011030232321 is 123232030110301.

It can be written as a sum of positive squares in only one way, i.e., 89359889617296 + 13651140615025 = 9453036^2 + 3694745^2 .

It is not a de Polignac number, because 103011030232321 - 235 = 102976670493953 is a prime.

It is a super-2 number, since 2×1030110302323212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103011030232292 and 103011030232301.

It is not an unprimeable number, because it can be changed into a prime (103011030232381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7476479556 + ... + 7476493333.

Almost surely, 2103011030232321 is an apocalyptic number.

It is an amenable number.

103011030232321 is a deficient number, since it is larger than the sum of its proper divisors (1256049729649).

103011030232321 is an frugal number, since it uses more digits than its factorization.

103011030232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14952973055 (or 14952972972 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 103011030232321 its reverse (123232030110301), we get a palindrome (226243060342622).

The spelling of 103011030232321 in words is "one hundred three trillion, eleven billion, thirty million, two hundred thirty-two thousand, three hundred twenty-one".

Divisors: 1 83 6889 14952972889 1241096749787 103011030232321