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12020325051 = 373173252937
BaseRepresentation
bin10110011000111011…
…11001101010111011
31011000201100210002010
423030131321222323
5144104200400201
65304433141003
7603606035310
oct131435715273
934021323063
1012020325051
115109184139
1223b56ba763
13119742cb97
148205ccd07
154a5437bd6
hex2cc779abb

12020325051 has 32 divisors (see below), whose sum is σ = 19166629888. Its totient is φ = 6556101120.

The previous prime is 12020325041. The next prime is 12020325071. The reversal of 12020325051 is 15052302021.

It is not a de Polignac number, because 12020325051 - 27 = 12020324923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12020325001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78946 + ... + 173991.

It is an arithmetic number, because the mean of its divisors is an integer number (598957184).

Almost surely, 212020325051 is an apocalyptic number.

12020325051 is a deficient number, since it is larger than the sum of its proper divisors (7146304837).

12020325051 is a wasteful number, since it uses less digits than its factorization.

12020325051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253051.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 12020325051 its reverse (15052302021), we get a palindrome (27072627072).

The spelling of 12020325051 in words is "twelve billion, twenty million, three hundred twenty-five thousand, fifty-one".

Divisors: 1 3 7 21 31 73 93 217 219 511 651 1533 2263 6789 15841 47523 252937 758811 1770559 5311677 7841047 18464401 23523141 54887329 55393203 129250807 164661987 387752421 572396431 1717189293 4006775017 12020325051