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1970825472000 = 21133537211232
BaseRepresentation
bin11100101011011110010…
…110100010100000000000
320222102001012211021022000
4130223132112202200000
5224242222310101000
64105215033344000
7262246615052100
oct34533626424000
96872035737260
101970825472000
1169a905666120
12279b61568000
13113b04200158
146b561d21200
15363ebaad000
hex1cade5a2800

1970825472000 has 3456 divisors, whose sum is σ = 9665397705600. Its totient is φ = 391716864000.

The previous prime is 1970825471963. The next prime is 1970825472001. The reversal of 1970825472000 is 2745280791.

It is a happy number.

1970825472000 is a `hidden beast` number, since 1 + 9 + 7 + 0 + 82 + 547 + 20 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3456).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970825472001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 85688063989 + ... + 85688064011.

It is an arithmetic number, because the mean of its divisors is an integer number (2796700725).

Almost surely, 21970825472000 is an apocalyptic number.

1970825472000 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 1970825472000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4832698852800).

1970825472000 is an abundant number, since it is smaller than the sum of its proper divisors (7694572233600).

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

1970825472000 is a wasteful number, since it uses less digits than its factorization.

1970825472000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 1970825472000 in words is "one trillion, nine hundred seventy billion, eight hundred twenty-five million, four hundred seventy-two thousand".