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2123768966760 = 2334571719674327
BaseRepresentation
bin11110111001111010011…
…111101010111001101000
321112000211002222210220000
4132321322133222321220
5234243434323414020
64303351311303000
7306302655235530
oct36717237527150
97460732883800
102123768966760
1174975a240471
122a3725b1aa60
1312536953b78c
1474b105aa4c0
153a39dcbe090
hex1ee7a7eae68

2123768966760 has 1280 divisors, whose sum is σ = 9230315212800. Its totient is φ = 426273103872.

The previous prime is 2123768966723. The next prime is 2123768966791. The reversal of 2123768966760 is 676698673212.

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

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 490815717 + ... + 490820043.

It is an arithmetic number, because the mean of its divisors is an integer number (7211183760).

Almost surely, 22123768966760 is an apocalyptic number.

2123768966760 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 2123768966760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4615157606400).

2123768966760 is an abundant number, since it is smaller than the sum of its proper divisors (7106546246040).

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

2123768966760 is a wasteful number, since it uses less digits than its factorization.

2123768966760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460 (or 4447 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 2123768966760 in words is "two trillion, one hundred twenty-three billion, seven hundred sixty-eight million, nine hundred sixty-six thousand, seven hundred sixty".