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1207894120992 = 253313569188999
BaseRepresentation
bin10001100100111100000…
…110011001101000100000
311021110210012220000012000
4101210330012121220200
5124242231343332432
62322522055004000
7153160512424026
oct21447406315040
94243705800160
101207894120992
114262a0818029
12176121369600
1389b99c09410
1442668b10716
1521647c6e57c
hex1193c199a20

1207894120992 has 192 divisors, whose sum is σ = 3800714400000. Its totient is φ = 371004585984.

The previous prime is 1207894120981. The next prime is 1207894121009. The reversal of 1207894120992 is 2990214987021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6296509 + ... + 6485507.

It is an arithmetic number, because the mean of its divisors is an integer number (19795387500).

Almost surely, 21207894120992 is an apocalyptic number.

1207894120992 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 1207894120992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1900357200000).

1207894120992 is an abundant number, since it is smaller than the sum of its proper divisors (2592820279008).

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

1207894120992 is a wasteful number, since it uses less digits than its factorization.

1207894120992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189600 (or 189586 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 1207894120992 in words is "one trillion, two hundred seven billion, eight hundred ninety-four million, one hundred twenty thousand, nine hundred ninety-two".