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3782770074720 = 253557213231379
BaseRepresentation
bin110111000010111110101…
…010101010010001100000
3111101121222202021010100000
4313002332222222101200
5443434103114342340
612013440334500000
7540203366052600
oct67027652522140
914347882233300
103782770074720
11122929a0aa5aa
12511162064600
13215937c81c00
14d1130c0ac00
15685ea092d30
hex370beaaa460

3782770074720 has 2592 divisors, whose sum is σ = 17452301368320. Its totient is φ = 770339082240.

The previous prime is 3782770074679. The next prime is 3782770074823. The reversal of 3782770074720 is 274700772873.

It is a tau number, because it is divible by the number of its divisors (2592).

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 431 ways as a sum of consecutive naturals, for example, 9980923491 + ... + 9980923869.

It is an arithmetic number, because the mean of its divisors is an integer number (6733140960).

Almost surely, 23782770074720 is an apocalyptic number.

3782770074720 is a gapful number since it is divisible by the number (30) 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 3782770074720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8726150684160).

3782770074720 is an abundant number, since it is smaller than the sum of its proper divisors (13669531293600).

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

3782770074720 is a wasteful number, since it uses less digits than its factorization.

3782770074720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 6453888, while the sum is 54.

The spelling of 3782770074720 in words is "three trillion, seven hundred eighty-two billion, seven hundred seventy million, seventy-four thousand, seven hundred twenty".