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1918714355712 = 2133471117472
BaseRepresentation
bin11011111010111100010…
…010011010000000000000
320210102112111120021120000
4123322330102122000000
5222414011333340322
64025240055320000
7255423346633260
oct33727422320000
96712474507500
101918714355712
1167a7a4262170
1226ba39680000
1310bc1ac7c8bb
1468c1b08d7a0
1534d9bc073ac
hex1bebc49a000

1918714355712 has 1680 divisors, whose sum is σ = 7731328004928. Its totient is φ = 459071815680.

The previous prime is 1918714355707. The next prime is 1918714355717. The reversal of 1918714355712 is 2175534178191.

It is a happy number.

1918714355712 is a `hidden beast` number, since 1 + 9 + 1 + 8 + 71 + 4 + 3 + 557 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (1918714355707) and next prime (1918714355717).

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

It is not an unprimeable number, because it can be changed into a prime (1918714355717) 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 119 ways as a sum of consecutive naturals, for example, 40823709673 + ... + 40823709719.

Almost surely, 21918714355712 is an apocalyptic number.

1918714355712 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 1918714355712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3865664002464).

1918714355712 is an abundant number, since it is smaller than the sum of its proper divisors (5812613649216).

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

1918714355712 is an equidigital number, since it uses as much as digits as its factorization.

1918714355712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 87 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 54.

The spelling of 1918714355712 in words is "one trillion, nine hundred eighteen billion, seven hundred fourteen million, three hundred fifty-five thousand, seven hundred twelve".