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121369068 = 223223146581
BaseRepresentation
bin1110011101111…
…11000111101100
322110101012001200
413032333013230
5222032302233
620013205500
73002422452
oct716770754
9273335050
10121369068
1162567417
1234790890
131c1b6122
14121949d2
15a9c6313
hex73bf1ec

121369068 has 36 divisors (see below), whose sum is σ = 320135088. Its totient is φ = 38697120.

The previous prime is 121369063. The next prime is 121369109. The reversal of 121369068 is 860963121.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (121369063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72463 + ... + 74118.

Almost surely, 2121369068 is an apocalyptic number.

121369068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121369068 is an abundant number, since it is smaller than the sum of its proper divisors (198766020).

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

121369068 is a wasteful number, since it uses less digits than its factorization.

121369068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146614 (or 146609 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 121369068 is about 11016.7630454685. The cubic root of 121369068 is about 495.1111106560. Note that the first 5 decimals are identical.

The spelling of 121369068 in words is "one hundred twenty-one million, three hundred sixty-nine thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 146581 293162 439743 586324 879486 1319229 1758972 2638458 3371363 5276916 6742726 10114089 13485452 20228178 30342267 40456356 60684534 121369068