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1272055774080 = 2735721317193317
BaseRepresentation
bin10010100000101100011…
…011101011101110000000
311111121101202100200201210
4102200230123223232000
5131320132234232310
62412212505530120
7160621504451100
oct22405433535600
94447352320653
101272055774080
1145052635a703
12186648aa3940
1392c53907010
14457d4197200
1523150a29820
hex1282c6ebb80

1272055774080 has 1536 divisors, whose sum is σ = 5423200594560. Its totient is φ = 250500612096.

The previous prime is 1272055774057. The next prime is 1272055774117. The reversal of 1272055774080 is 804775502721.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4012794082 + ... + 4012794398.

Almost surely, 21272055774080 is an apocalyptic number.

1272055774080 is a gapful number since it is divisible by the number (10) 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 1272055774080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2711600297280).

1272055774080 is an abundant number, since it is smaller than the sum of its proper divisors (4151144820480).

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

1272055774080 is a wasteful number, since it uses less digits than its factorization.

1272055774080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 48.

The spelling of 1272055774080 in words is "one trillion, two hundred seventy-two billion, fifty-five million, seven hundred seventy-four thousand, eighty".