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13212300320 = 255233590299
BaseRepresentation
bin11000100111000001…
…11011010000100000
31021002210021101202022
430103200323100200
5204024322102240
610023013241012
7645261462002
oct142340732040
937083241668
1013212300320
11566aaa986a
122688933168
1313273748ab
148d4a30372
15524dda9b5
hex31383b420

13212300320 has 48 divisors (see below), whose sum is σ = 32571201600. Its totient is φ = 5055139584.

The previous prime is 13212300317. The next prime is 13212300323. The reversal of 13212300320 is 2300321231.

It is an interprime number because it is at equal distance from previous prime (13212300317) and next prime (13212300323).

It is not an unprimeable number, because it can be changed into a prime (13212300323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1791470 + ... + 1798829.

It is an arithmetic number, because the mean of its divisors is an integer number (678566700).

Almost surely, 213212300320 is an apocalyptic number.

13212300320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212300320 is an abundant number, since it is smaller than the sum of its proper divisors (19358901280).

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

13212300320 is a wasteful number, since it uses less digits than its factorization.

13212300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590337 (or 3590329 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13212300320 its reverse (2300321231), we get a palindrome (15512621551).

The spelling of 13212300320 in words is "thirteen billion, two hundred twelve million, three hundred thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 80 92 115 160 184 230 368 460 736 920 1840 3680 3590299 7180598 14361196 17951495 28722392 35902990 57444784 71805980 82576877 114889568 143611960 165153754 287223920 330307508 412884385 574447840 660615016 825768770 1321230032 1651537540 2642460064 3303075080 6606150160 13212300320