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2107668239040 = 263571356342853
BaseRepresentation
bin11110101010111010110…
…100010001001011000000
321110111021000122002122010
4132222322310101023000
5234013001032122130
64252125513012520
7305162661302430
oct36527264211300
97414230562563
102107668239040
11742947857421
122a05919b4140
131239a1948760
14740240d82c0
1539c5a52d0b0
hex1eabad112c0

2107668239040 has 448 divisors, whose sum is σ = 8250940486656. Its totient is φ = 443894611968.

The previous prime is 2107668239021. The next prime is 2107668239041. The reversal of 2107668239040 is 409328667012.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2107668239041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49162254 + ... + 49205106.

It is an arithmetic number, because the mean of its divisors is an integer number (18417277872).

Almost surely, 22107668239040 is an apocalyptic number.

2107668239040 is a gapful number since it is divisible by the number (20) 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 2107668239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4125470243328).

2107668239040 is an abundant number, since it is smaller than the sum of its proper divisors (6143272247616).

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

2107668239040 is a wasteful number, since it uses less digits than its factorization.

2107668239040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43456 (or 43446 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 2107668239040 in words is "two trillion, one hundred seven billion, six hundred sixty-eight million, two hundred thirty-nine thousand, forty".