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10301231320220 = 225515061566011
BaseRepresentation
bin1001010111100111000100…
…1110111100110010011100
31100110210021112002211101002
42111321301032330302130
52322233410204221340
633524153105405432
72112145054332551
oct225716116746234
940423245084332
1010301231320220
113311800589435
1211a4545639878
1359952c0c6479
142788219d4a28
1512ce5a777715
hex95e713bcc9c

10301231320220 has 12 divisors (see below), whose sum is σ = 21632585772504. Its totient is φ = 4120492528080.

The previous prime is 10301231320217. The next prime is 10301231320249. The reversal of 10301231320220 is 2202313210301.

It is a super-2 number, since 2×103012313202202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 515061566011 = 10301231320220 / (1 + 0 + 3 + 0 + 1 + 2 + 3 + 1 + 3 + 2 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 10301231320192 and 10301231320201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257530782986 + ... + 257530783025.

It is an arithmetic number, because the mean of its divisors is an integer number (1802715481042).

Almost surely, 210301231320220 is an apocalyptic number.

10301231320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10301231320220 is an abundant number, since it is smaller than the sum of its proper divisors (11331354452284).

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

10301231320220 is a wasteful number, since it uses less digits than its factorization.

10301231320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515061566020 (or 515061566018 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10301231320220 its reverse (2202313210301), we get a palindrome (12503544530521).

The spelling of 10301231320220 in words is "ten trillion, three hundred one billion, two hundred thirty-one million, three hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 515061566011 1030123132022 2060246264044 2575307830055 5150615660110 10301231320220