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103444434433 = 109799422027
BaseRepresentation
bin110000001010111000…
…1001100111000000001
3100220000012221202000101
41200111301030320001
53143323233400213
6115304405122401
710321310120254
oct1402561147001
9326005852011
10103444434433
113a96376072a
121806b3b9401
1399a72c2622
1450146b709b
152a5681cbdd
hex1815c4ce01

103444434433 has 4 divisors (see below), whose sum is σ = 103453867440. Its totient is φ = 103435001428.

The previous prime is 103444434397. The next prime is 103444434437. The reversal of 103444434433 is 334434444301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 334434444301 = 3082491084949.

It is a cyclic number.

It is not a de Polignac number, because 103444434433 - 29 = 103444433921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103444434392 and 103444434401.

It is not an unprimeable number, because it can be changed into a prime (103444434437) 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, 4700035 + ... + 4721992.

It is an arithmetic number, because the mean of its divisors is an integer number (25863466860).

Almost surely, 2103444434433 is an apocalyptic number.

It is an amenable number.

103444434433 is a deficient number, since it is larger than the sum of its proper divisors (9433007).

103444434433 is an equidigital number, since it uses as much as digits as its factorization.

103444434433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9433006.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 103444434433 its reverse (334434444301), we get a palindrome (437878878734).

The spelling of 103444434433 in words is "one hundred three billion, four hundred forty-four million, four hundred thirty-four thousand, four hundred thirty-three".

Divisors: 1 10979 9422027 103444434433