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19200174240 = 25351343163439
BaseRepresentation
bin10001111000011010…
…110110100010100000
31211120002111220120110
4101320122312202200
5303310221033430
612453114211320
71246540534242
oct217032664240
954502456513
1019200174240
118162aa80a5
12387a123b40
131a6ca86160
14d01da4092
1577592a7b0
hex4786b68a0

19200174240 has 384 divisors, whose sum is σ = 67209246720. Its totient is φ = 4577513472.

The previous prime is 19200174239. The next prime is 19200174251. The reversal of 19200174240 is 4247100291.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 19200174198 and 19200174207.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43735941 + ... + 43736379.

It is an arithmetic number, because the mean of its divisors is an integer number (175024080).

Almost surely, 219200174240 is an apocalyptic number.

19200174240 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 19200174240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33604623360).

19200174240 is an abundant number, since it is smaller than the sum of its proper divisors (48009072480).

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

19200174240 is a wasteful number, since it uses less digits than its factorization.

19200174240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 19200174240 in words is "nineteen billion, two hundred million, one hundred seventy-four thousand, two hundred forty".