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1229113080 = 23325131811451
BaseRepresentation
bin100100101000010…
…1100011011111000
310011122210102011200
41021100230123320
510004123104310
6321544054200
742313201026
oct11120543370
93148712150
101229113080
11580890938
122a3764360
13167848860
14b934b716
1572d8b9c0
hex4942c6f8

1229113080 has 192 divisors, whose sum is σ = 4328644320. Its totient is φ = 300672000.

The previous prime is 1229113063. The next prime is 1229113099. The reversal of 1229113080 is 803119221.

It is a super-3 number, since 3×12291130803 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 846355 + ... + 847805.

Almost surely, 21229113080 is an apocalyptic number.

1229113080 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 1229113080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164322160).

1229113080 is an abundant number, since it is smaller than the sum of its proper divisors (3099531240).

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

1229113080 is a wasteful number, since it uses less digits than its factorization.

1229113080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1229113080 is about 35058.7090463982. The cubic root of 1229113080 is about 1071.1836785823.

The spelling of 1229113080 in words is "one billion, two hundred twenty-nine million, one hundred thirteen thousand, eighty".