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1303213332220 = 2251933591020991
BaseRepresentation
bin10010111101101101100…
…100010101011011111100
311121120211011210122100121
4102331231210111123330
5132322440103112340
62434404332304324
7163103561360032
oct22755544253374
94546734718317
101303213332220
11462764a51258
121906a36120a4
1395b7aa53457
144710c244552
1523d760a894a
hex12f6d9156fc

1303213332220 has 48 divisors (see below), whose sum is σ = 2881647820800. Its totient is φ = 493701756480.

The previous prime is 1303213332203. The next prime is 1303213332251. The reversal of 1303213332220 is 222333123031.

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, 765925 + ... + 1786915.

It is an arithmetic number, because the mean of its divisors is an integer number (60034329600).

Almost surely, 21303213332220 is an apocalyptic number.

1303213332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303213332220 is an abundant number, since it is smaller than the sum of its proper divisors (1578434488580).

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

1303213332220 is a wasteful number, since it uses less digits than its factorization.

1303213332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024378 (or 1024376 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1303213332220 its reverse (222333123031), we get a palindrome (1525546455251).

The spelling of 1303213332220 in words is "one trillion, three hundred three billion, two hundred thirteen million, three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 3359 6718 13436 16795 33590 63821 67180 127642 255284 319105 638210 1020991 1276420 2041982 4083964 5104955 10209910 19398829 20419820 38797658 77595316 96994145 193988290 387976580 3429508769 6859017538 13718035076 17147543845 34295087690 65160666611 68590175380 130321333222 260642666444 325803333055 651606666110 1303213332220