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190942740000 = 2532544125873
BaseRepresentation
bin1011000111010100010…
…0101111111000100000
3200020212010110012112100
42301311010233320200
511112022320140000
6223415021330400
716536511340115
oct2616504577040
9606763405470
10190942740000
1173a84220761
123100a406a00
131500ca4112c
14935524290c
154e78236a00
hex2c7512fe20

190942740000 has 360 divisors, whose sum is σ = 695100818412. Its totient is φ = 49674240000.

The previous prime is 190942739893. The next prime is 190942740047. The reversal of 190942740000 is 47249091.

190942740000 is a `hidden beast` number, since 190 + 9 + 427 + 40 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 56573573904 + 134369166096 = 237852^2 + 366564^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7367064 + ... + 7392936.

Almost surely, 2190942740000 is an apocalyptic number.

190942740000 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 190942740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347550409206).

190942740000 is an abundant number, since it is smaller than the sum of its proper divisors (504158078412).

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

190942740000 is a wasteful number, since it uses less digits than its factorization.

190942740000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25950 (or 25924 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

Adding to 190942740000 its reverse (47249091), we get a palindrome (190989989091).

The spelling of 190942740000 in words is "one hundred ninety billion, nine hundred forty-two million, seven hundred forty thousand".