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72630283321 = 317607377459
BaseRepresentation
bin100001110100100011…
…0100010110000111001
320221110201200200021101
41003221012202300321
52142221323031241
653211011011401
75150563136101
oct1035106426071
9227421620241
1072630283321
11288909a0942
12120ab899b61
136b0636150b
14373009c201
151d514c3e31
hex10e91a2c39

72630283321 has 8 divisors (see below), whose sum is σ = 72979626240. Its totient is φ = 72281697168.

The previous prime is 72630283289. The next prime is 72630283331. The reversal of 72630283321 is 12338203627.

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 72630283321 - 25 = 72630283289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72630283331) 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, 3690 + ... + 381148.

It is an arithmetic number, because the mean of its divisors is an integer number (9122453280).

Almost surely, 272630283321 is an apocalyptic number.

It is an amenable number.

72630283321 is a deficient number, since it is larger than the sum of its proper divisors (349342919).

72630283321 is a wasteful number, since it uses less digits than its factorization.

72630283321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378383.

The product of its (nonzero) digits is 72576, while the sum is 37.

Adding to 72630283321 its reverse (12338203627), we get a palindrome (84968486948).

The spelling of 72630283321 in words is "seventy-two billion, six hundred thirty million, two hundred eighty-three thousand, three hundred twenty-one".

Divisors: 1 317 607 192419 377459 119654503 229117613 72630283321