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19119558052920 = 23351317994172763
BaseRepresentation
bin1000101100011100111100…
…11101110100110000111000
32111200210220212121110020210
410112032132131310300320
510001223323330143140
6104355223111351120
74012225320655533
oct426163635646070
974623825543223
1019119558052920
116101617090946
1221895b93824a0
13a88c74795110
144a156a597a1a
152325248c7d80
hex11639e774c38

19119558052920 has 256 divisors, whose sum is σ = 62182833753600. Its totient is φ = 4675022530560.

The previous prime is 19119558052891. The next prime is 19119558052943. The reversal of 19119558052920 is 2925085591191.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 262728459 + ... + 262801221.

It is an arithmetic number, because the mean of its divisors is an integer number (242901694350).

Almost surely, 219119558052920 is an apocalyptic number.

19119558052920 is a gapful number since it is divisible by the number (10) 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 19119558052920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31091416876800).

19119558052920 is an abundant number, since it is smaller than the sum of its proper divisors (43063275700680).

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

19119558052920 is a wasteful number, since it uses less digits than its factorization.

19119558052920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73910 (or 73906 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 57.

The spelling of 19119558052920 in words is "nineteen trillion, one hundred nineteen billion, five hundred fifty-eight million, fifty-two thousand, nine hundred twenty".