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130444103221 = 1271831156093
BaseRepresentation
bin111100101111100010…
…0110000111000110101
3110110200212121000201021
41321133010300320311
54114122142300341
6135531501501141
712265345403635
oct1713704607065
9413625530637
10130444103221
1150359328493
12213455717b1
13c3babb84c3
1464564706c5
1535d6d399d1
hex1e5f130e35

130444103221 has 8 divisors (see below), whose sum is σ = 131480745984. Its totient is φ = 129407609520.

The previous prime is 130444103173. The next prime is 130444103233. The reversal of 130444103221 is 122301444031.

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 130444103221 - 29 = 130444102709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130444103281) 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, 2297451 + ... + 2353543.

It is an arithmetic number, because the mean of its divisors is an integer number (16435093248).

Almost surely, 2130444103221 is an apocalyptic number.

It is an amenable number.

130444103221 is a deficient number, since it is larger than the sum of its proper divisors (1036642763).

130444103221 is a wasteful number, since it uses less digits than its factorization.

130444103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74531.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 130444103221 its reverse (122301444031), we get a palindrome (252745547252).

The spelling of 130444103221 in words is "one hundred thirty billion, four hundred forty-four million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 127 18311 56093 2325497 7123811 1027118923 130444103221