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13102202220 = 2235474646171
BaseRepresentation
bin11000011001111001…
…11011110101101100
31020211010002211112220
430030330323311230
5203313130432340
610004041355340
7642453611202
oct141474736554
936733084486
1013102202220
1156139404a8
122657a98b50
13130a6069a3
148c4171072
1551a3dded0
hex30cf3bd6c

13102202220 has 48 divisors (see below), whose sum is σ = 37466731008. Its totient is φ = 3419581120.

The previous prime is 13102202203. The next prime is 13102202227. The reversal of 13102202220 is 2220220131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13102202220.

It is not an unprimeable number, because it can be changed into a prime (13102202227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320266 + ... + 2325905.

It is an arithmetic number, because the mean of its divisors is an integer number (780556896).

Almost surely, 213102202220 is an apocalyptic number.

13102202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13102202220 is an abundant number, since it is smaller than the sum of its proper divisors (24364528788).

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

13102202220 is a wasteful number, since it uses less digits than its factorization.

13102202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646230 (or 4646228 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 13102202220 its reverse (2220220131), we get a palindrome (15322422351).

The spelling of 13102202220 in words is "thirteen billion, one hundred two million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 4646171 9292342 13938513 18584684 23230855 27877026 46461710 55754052 69692565 92923420 139385130 218370037 278770260 436740074 655110111 873480148 1091850185 1310220222 2183700370 2620440444 3275550555 4367400740 6551101110 13102202220