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103211102023 = 181920361961
BaseRepresentation
bin110000000011111011…
…1000110111101000111
3100212101221220020010021
41200013313012331013
53142334020231043
6115225312040011
710312444614661
oct1400767067507
9325357806107
10103211102023
113a853a81627
1218005233007
13996ab67603
144dd16d9531
152a410cc3ed
hex1807dc6f47

103211102023 has 8 divisors (see below), whose sum is σ = 103794281136. Its totient is φ = 102628065600.

The previous prime is 103211101951. The next prime is 103211102047. The reversal of 103211102023 is 320201112301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103211102023 is a prime.

It is a super-2 number, since 2×1032111020232 (a number of 23 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 = 103211101988 and 103211102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103211102063) 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, 1634763 + ... + 1696723.

It is an arithmetic number, because the mean of its divisors is an integer number (12974285142).

Almost surely, 2103211102023 is an apocalyptic number.

103211102023 is a deficient number, since it is larger than the sum of its proper divisors (583179113).

103211102023 is an equidigital number, since it uses as much as digits as its factorization.

103211102023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71345.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103211102023 its reverse (320201112301), we get a palindrome (423412214324).

The spelling of 103211102023 in words is "one hundred three billion, two hundred eleven million, one hundred two thousand, twenty-three".

Divisors: 1 181 9203 61961 1665743 11214941 570227083 103211102023