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1115033031020 = 22555751651551
BaseRepresentation
bin10000001110011101001…
…001011101000101101100
310221121002120100212110102
4100032131021131011230
5121232041423443040
62212123351330232
7143362362245216
oct20163511350554
93847076325412
101115033031020
1139a979093777
12160126380978
13811bb41aabc
143bd79c495b6
151e01063c515
hex1039d25d16c

1115033031020 has 12 divisors (see below), whose sum is σ = 2341569365184. Its totient is φ = 446013212400.

The previous prime is 1115033031017. The next prime is 1115033031041. The reversal of 1115033031020 is 201303305111.

It is a super-3 number, since 3×11150330310203 (a number of 37 digits) contains 333 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: 55751651551 = 1115033031020 / (1 + 1 + 1 + 5 + 0 + 3 + 3 + 0 + 3 + 1 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1115033030983 and 1115033031001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27875825756 + ... + 27875825795.

It is an arithmetic number, because the mean of its divisors is an integer number (195130780432).

Almost surely, 21115033031020 is an apocalyptic number.

1115033031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115033031020 is an abundant number, since it is smaller than the sum of its proper divisors (1226536334164).

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

1115033031020 is a wasteful number, since it uses less digits than its factorization.

1115033031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55751651560 (or 55751651558 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 1115033031020 its reverse (201303305111), we get a palindrome (1316336336131).

The spelling of 1115033031020 in words is "one trillion, one hundred fifteen billion, thirty-three million, thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 55751651551 111503303102 223006606204 278758257755 557516515510 1115033031020