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199205038942992 = 24347389112321067
BaseRepresentation
bin101101010010110100001001…
…100101010110101100010000
3222010022211000200011010220000
4231102310021211112230100
5202102233404432133432
61543401310451050000
756650042365653415
oct5522641145265420
9863284020133800
10199205038942992
1158522423245055
121a4133305a0900
13871cc542577a4
14372980a9ba10c
151806ba834757c
hexb52d09956b10

199205038942992 has 400 divisors, whose sum is σ = 591576500877120. Its totient is φ = 64695467003904.

The previous prime is 199205038942951. The next prime is 199205038942993. The reversal of 199205038942992 is 299249830502991.

199205038942992 is a `hidden beast` number, since 1 + 9 + 9 + 2 + 0 + 503 + 8 + 9 + 4 + 29 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 199205038942992.

It is not an unprimeable number, because it can be changed into a prime (199205038942993) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9455775243 + ... + 9455796309.

Almost surely, 2199205038942992 is an apocalyptic number.

199205038942992 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 199205038942992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295788250438560).

199205038942992 is an abundant number, since it is smaller than the sum of its proper divisors (392371461934128).

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

199205038942992 is a wasteful number, since it uses less digits than its factorization.

199205038942992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22372 (or 22357 counting only the distinct ones).

The product of its (nonzero) digits is 226748160, while the sum is 72.

The spelling of 199205038942992 in words is "one hundred ninety-nine trillion, two hundred five billion, thirty-eight million, nine hundred forty-two thousand, nine hundred ninety-two".