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19468345125112 = 23131195915653117
BaseRepresentation
bin1000110110100110100111…
…10010111010100011111000
32112221011012110000112110121
410123103103302322203320
510022432132323000422
6105223345001023024
74046353512113242
oct433232362724370
975834173015417
1019468345125112
11622652a314614
122225119484a74
13ab2b1ac93b80
144b43b6cd3092
1523b63a1da8c7
hex11b4d3cba8f8

19468345125112 has 32 divisors (see below), whose sum is σ = 39314371168800. Its totient is φ = 8984638134144.

The previous prime is 19468345125067. The next prime is 19468345125161. The reversal of 19468345125112 is 21152154386491.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 19468345125112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6582823 + ... + 9070294.

It is an arithmetic number, because the mean of its divisors is an integer number (1228574099025).

Almost surely, 219468345125112 is an apocalyptic number.

It is an amenable number.

19468345125112 is an abundant number, since it is smaller than the sum of its proper divisors (19846026043688).

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

19468345125112 is a wasteful number, since it uses less digits than its factorization.

19468345125112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15665095 (or 15665091 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The spelling of 19468345125112 in words is "nineteen trillion, four hundred sixty-eight billion, three hundred forty-five million, one hundred twenty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 11959 23918 47836 95672 155467 310934 621868 1243736 15653117 31306234 62612468 125224936 203490521 406981042 813962084 1627924168 187195626203 374391252406 748782504812 1497565009624 2433543140639 4867086281278 9734172562556 19468345125112