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13230432305240 = 23510322914023013
BaseRepresentation
bin1100000010000111001100…
…1101111100000001011000
31201211211001120112111110012
43000201303031330001120
53213231411132231430
644045550544341052
72533603306025363
oct300416315740130
951754046474405
1013230432305240
114240aa4135287
121598191014788
1374c816ab22a7
1433a4dbb250da
1517e24967a695
hexc087337c058

13230432305240 has 64 divisors (see below), whose sum is σ = 30188744539200. Its totient is φ = 5217906673152.

The previous prime is 13230432305221. The next prime is 13230432305257. The reversal of 13230432305240 is 4250323403231.

It is a junction number, because it is equal to n+sod(n) for n = 13230432305197 and 13230432305206.

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, 6068027 + ... + 7954986.

It is an arithmetic number, because the mean of its divisors is an integer number (471699133425).

Almost surely, 213230432305240 is an apocalyptic number.

13230432305240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230432305240 is an abundant number, since it is smaller than the sum of its proper divisors (16958312233960).

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

13230432305240 is a wasteful number, since it uses less digits than its factorization.

13230432305240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14023356 (or 14023352 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 13230432305240 its reverse (4250323403231), we get a palindrome (17480755708471).

The spelling of 13230432305240 in words is "thirteen trillion, two hundred thirty billion, four hundred thirty-two million, three hundred five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 103 206 229 412 458 515 824 916 1030 1145 1832 2060 2290 4120 4580 9160 23587 47174 94348 117935 188696 235870 471740 943480 14023013 28046026 56092052 70115065 112184104 140230130 280460260 560920520 1444370339 2888740678 3211269977 5777481356 6422539954 7221851695 11554962712 12845079908 14443703390 16056349885 25690159816 28887406780 32112699770 57774813560 64225399540 128450799080 330760807631 661521615262 1323043230524 1653804038155 2646086461048 3307608076310 6615216152620 13230432305240