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1214995168512 = 2834421139177
BaseRepresentation
bin10001101011100011010…
…110101111110100000000
311022011010002202121010000
4101223203112233310000
5124401302230343022
62330054443040000
7153531466350336
oct21534326576400
94264102677100
101214995168512
11429305109144
12177583510000
138a75c131898
1442b3dc51b56
15219113986ac
hex11ae35afd00

1214995168512 has 180 divisors, whose sum is σ = 3631527295396. Its totient is φ = 404033495040.

The previous prime is 1214995168487. The next prime is 1214995168537. The reversal of 1214995168512 is 2158615994121.

1214995168512 is a `hidden beast` number, since 1 + 2 + 1 + 49 + 9 + 516 + 85 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1214995168487) and next prime (1214995168537).

It can be written as a sum of positive squares in 2 ways, for example, as 8125940736 + 1206869227776 = 90144^2 + 1098576^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8660268 + ... + 8799444.

Almost surely, 21214995168512 is an apocalyptic number.

1214995168512 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 1214995168512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815763647698).

1214995168512 is an abundant number, since it is smaller than the sum of its proper divisors (2416532126884).

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

1214995168512 is an equidigital number, since it uses as much as digits as its factorization.

1214995168512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139626 (or 139603 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 54.

The spelling of 1214995168512 in words is "one trillion, two hundred fourteen billion, nine hundred ninety-five million, one hundred sixty-eight thousand, five hundred twelve".