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1122697680 = 2435131761347
BaseRepresentation
bin100001011101011…
…0000000111010000
32220020112221200120
41002322300013100
54244402311210
6303223150240
736551526036
oct10272600720
92806487616
101122697680
11526808425
12273ba5380
1314b799c70
14a916a556
156886b270
hex42eb01d0

1122697680 has 320 divisors, whose sum is σ = 4045241088. Its totient is φ = 255098880.

The previous prime is 1122697657. The next prime is 1122697699. The reversal of 1122697680 is 867962211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3235267 + ... + 3235613.

Almost surely, 21122697680 is an apocalyptic number.

1122697680 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 1122697680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2022620544).

1122697680 is an abundant number, since it is smaller than the sum of its proper divisors (2922543408).

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

1122697680 is a wasteful number, since it uses less digits than its factorization.

1122697680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1122697680 is about 33506.6811248145. The cubic root of 1122697680 is about 1039.3319427517.

The spelling of 1122697680 in words is "one billion, one hundred twenty-two million, six hundred ninety-seven thousand, six hundred eighty".