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12002351020 = 2251154556141
BaseRepresentation
bin10110010110110010…
…10101011110101100
31010222110112121100021
423023121111132230
5144040100213040
65302552011524
7603300205012
oct131331253654
933873477307
1012002351020
1150aa017a70
1223ab690ba4
1311937a896a
1481c0708b2
154a3a8724a
hex2cb6557ac

12002351020 has 24 divisors (see below), whose sum is σ = 27496295568. Its totient is φ = 4364491200.

The previous prime is 12002350979. The next prime is 12002351021. The reversal of 12002351020 is 2015320021.

It is a junction number, because it is equal to n+sod(n) for n = 12002350985 and 12002351003.

It is not an unprimeable number, because it can be changed into a prime (12002351021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27277851 + ... + 27278290.

It is an arithmetic number, because the mean of its divisors is an integer number (1145678982).

Almost surely, 212002351020 is an apocalyptic number.

12002351020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002351020 is an abundant number, since it is smaller than the sum of its proper divisors (15493944548).

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

12002351020 is a wasteful number, since it uses less digits than its factorization.

12002351020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54556161 (or 54556159 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 12002351020 its reverse (2015320021), we get a palindrome (14017671041).

The spelling of 12002351020 in words is "twelve billion, two million, three hundred fifty-one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 54556141 109112282 218224564 272780705 545561410 600117551 1091122820 1200235102 2400470204 3000587755 6001175510 12002351020