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10013010220 = 2251171427541
BaseRepresentation
bin10010101001101001…
…00110100100101100
3221211211020121210101
421110310212210230
5131001312311340
64333325320444
7503063116423
oct112464464454
927754217711
1010013010220
1142790a0864
121b35406124
13c375c4225
146adb8c2ba
153d90ccc9a
hex254d2692c

10013010220 has 24 divisors (see below), whose sum is σ = 21045327408. Its totient is φ = 4001774400.

The previous prime is 10013010209. The next prime is 10013010253. The reversal of 10013010220 is 2201031001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10013010197 and 10013010206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190351 + ... + 237190.

It is an arithmetic number, because the mean of its divisors is an integer number (876888642).

Almost surely, 210013010220 is an apocalyptic number.

10013010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10013010220 is an abundant number, since it is smaller than the sum of its proper divisors (11032317188).

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

10013010220 is a wasteful number, since it uses less digits than its factorization.

10013010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428721 (or 428719 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10013010220 its reverse (2201031001), we get a palindrome (12214041221).

The spelling of 10013010220 in words is "ten billion, thirteen million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1171 2342 4684 5855 11710 23420 427541 855082 1710164 2137705 4275410 8550820 500650511 1001301022 2002602044 2503252555 5006505110 10013010220