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2068077699072 = 21333721121983
BaseRepresentation
bin11110000110000011000…
…010010110000000000000
321022201001220001021201000
4132012003002112000000
5232340410342332242
64222021202212000
7302261615253600
oct36060302260000
97281056037630
102068077699072
11728080a45800
12294983054000
1312003266a648
147214a074c00
1538bde977a4c
hex1e183096000

2068077699072 has 2016 divisors, whose sum is σ = 8346207945600. Its totient is φ = 502760079360.

The previous prime is 2068077699059. The next prime is 2068077699143. The reversal of 2068077699072 is 2709967708602.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a super-2 number, since 2×20680776990722 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 24916598743 + ... + 24916598825.

It is an arithmetic number, because the mean of its divisors is an integer number (4139984100).

Almost surely, 22068077699072 is an apocalyptic number.

2068077699072 is a gapful number since it is divisible by the number (22) 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 2068077699072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4173103972800).

2068077699072 is an abundant number, since it is smaller than the sum of its proper divisors (6278130246528).

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

2068077699072 is a wasteful number, since it uses less digits than its factorization.

2068077699072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The spelling of 2068077699072 in words is "two trillion, sixty-eight billion, seventy-seven million, six hundred ninety-nine thousand, seventy-two".