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130450433646 = 23132396997663
BaseRepresentation
bin111100101111101110…
…0111010011001101110
3110110201022111122102110
41321133130322121232
54114130302334041
6135532245304450
712265453250661
oct1713734723156
9413638448373
10130450433646
1150361961645
1221347705126
13c3bc2c3a10
14645723b6d8
1535d768a516
hex1e5f73a66e

130450433646 has 32 divisors (see below), whose sum is σ = 282145812480. Its totient is φ = 39970645344.

The previous prime is 130450433611. The next prime is 130450433651. The reversal of 130450433646 is 646334054031.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3480190 + ... + 3517473.

It is an arithmetic number, because the mean of its divisors is an integer number (8817056640).

Almost surely, 2130450433646 is an apocalyptic number.

130450433646 is an abundant number, since it is smaller than the sum of its proper divisors (151695378834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130450433646 is a wasteful number, since it uses less digits than its factorization.

130450433646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997920.

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 130450433646 its reverse (646334054031), we get a palindrome (776784487677).

The spelling of 130450433646 in words is "one hundred thirty billion, four hundred fifty million, four hundred thirty-three thousand, six hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 239 478 717 1434 3107 6214 9321 18642 6997663 13995326 20992989 41985978 90969619 181939238 272908857 545817714 1672441457 3344882914 5017324371 10034648742 21741738941 43483477882 65225216823 130450433646