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2769082122240 = 219385723
BaseRepresentation
bin101000010010111010001…
…010000000000000000000
3100210201111002112200000000
4220102322022000000000
5330332040010402430
65520033200000000
7404026302452550
oct50227212000000
910721432480000
102769082122240
119783a7739395
12388800000000
1317117ac32b05
149804a919160
154c06bcd6e60
hex284ba280000

2769082122240 has 1440 divisors, whose sum is σ = 11887518614400. Its totient is φ = 605414227968.

The previous prime is 2769082122239. The next prime is 2769082122269. The reversal of 2769082122240 is 422212809672.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 120394874869 + ... + 120394874891.

It is an arithmetic number, because the mean of its divisors is an integer number (8255221260).

Almost surely, 22769082122240 is an apocalyptic number.

2769082122240 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 2769082122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5943759307200).

2769082122240 is an abundant number, since it is smaller than the sum of its proper divisors (9118436492160).

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

2769082122240 is an frugal number, since it uses more digits than its factorization.

2769082122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 2769082122240 in words is "two trillion, seven hundred sixty-nine billion, eighty-two million, one hundred twenty-two thousand, two hundred forty".