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13140303220 = 2251159728651
BaseRepresentation
bin11000011110011100…
…10001110101110100
31020220202210120022001
430033032101311310
5203402404200340
610011522145044
7643425506632
oct141716216564
936822716261
1013140303220
1156333a4330
1226687b2184
131315487065
148c924c352
1551d91829a
hex30f391d74

13140303220 has 24 divisors (see below), whose sum is σ = 30103240608. Its totient is φ = 4778292000.

The previous prime is 13140303217. The next prime is 13140303229. The reversal of 13140303220 is 2230304131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140303229) 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, 29864106 + ... + 29864545.

It is an arithmetic number, because the mean of its divisors is an integer number (1254301692).

Almost surely, 213140303220 is an apocalyptic number.

13140303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140303220 is an abundant number, since it is smaller than the sum of its proper divisors (16962937388).

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

13140303220 is a wasteful number, since it uses less digits than its factorization.

13140303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59728671 (or 59728669 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13140303220 its reverse (2230304131), we get a palindrome (15370607351).

The spelling of 13140303220 in words is "thirteen billion, one hundred forty million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 59728651 119457302 238914604 298643255 597286510 657015161 1194573020 1314030322 2628060644 3285075805 6570151610 13140303220