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19201056106752 = 28341325992867
BaseRepresentation
bin1000101110110100110000…
…01000001110100100000000
32111222121021121120112210000
410113122120020032210000
510004042230330404002
6104500502101440000
74021142033001162
oct427323010164400
974877247515700
1019201056106752
116133138668a43
1221a1362a10000
13a9386208a400
144a549c28a932
152346e465961c
hex11769820e900

19201056106752 has 540 divisors, whose sum is σ = 63048491961840. Its totient is φ = 5807818838016.

The previous prime is 19201056106741. The next prime is 19201056106759. The reversal of 19201056106752 is 25760165010291.

It is a happy number.

19201056106752 is a `hidden beast` number, since 1 + 9 + 2 + 0 + 10 + 561 + 0 + 6 + 75 + 2 = 666.

It is a super-2 number, since 2×192010561067522 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19201056106698 and 19201056106707.

It is not an unprimeable number, because it can be changed into a prime (19201056106759) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 206712223 + ... + 206805089.

It is an arithmetic number, because the mean of its divisors is an integer number (116756466596).

Almost surely, 219201056106752 is an apocalyptic number.

19201056106752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19201056106752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31524245980920).

19201056106752 is an abundant number, since it is smaller than the sum of its proper divisors (43847435855088).

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

19201056106752 is an equidigital number, since it uses as much as digits as its factorization.

19201056106752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92980 (or 92944 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 19201056106752 in words is "nineteen trillion, two hundred one billion, fifty-six million, one hundred six thousand, seven hundred fifty-two".