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1220200011010 = 25122020001101
BaseRepresentation
bin10001110000011001100…
…101101001010100000010
311022122112211120222202101
4101300121211221110002
5124442432200323020
62332315132541014
7154104456651301
oct21603145512402
94278484528671
101220200011010
11430536106372
1217859662176a
138b0ab551946
14430b51d6438
1521b182b400a
hex11c19969502

1220200011010 has 8 divisors (see below), whose sum is σ = 2196360019836. Its totient is φ = 488080004400.

The previous prime is 1220200011007. The next prime is 1220200011013. The reversal of 1220200011010 is 101100020221.

It is an interprime number because it is at equal distance from previous prime (1220200011007) and next prime (1220200011013).

It can be written as a sum of positive squares in 2 ways, for example, as 1189393091649 + 30806919361 = 1090593^2 + 175519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 122020001101 = 1220200011010 / (1 + 2 + 2 + 0 + 2 + 0 + 0 + 0 + 1 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (1220200011013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61010000541 + ... + 61010000560.

Almost surely, 21220200011010 is an apocalyptic number.

1220200011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220200011010 is a deficient number, since it is larger than the sum of its proper divisors (976160008826).

1220200011010 is a wasteful number, since it uses less digits than its factorization.

1220200011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122020001108.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1220200011010 its reverse (101100020221), we get a palindrome (1321300031231).

The spelling of 1220200011010 in words is "one trillion, two hundred twenty billion, two hundred million, eleven thousand, ten".

Divisors: 1 2 5 10 122020001101 244040002202 610100005505 1220200011010