Search a number
-
+
121806882 = 2333117253
BaseRepresentation
bin1110100001010…
…10000000100010
322111012102122000
413100222000202
5222140310012
620030424430
73006225051
oct720520042
9274172560
10121806882
116283634a
1234962116
131c30a4a2
141226a398
15aa60ddc
hex742a022

121806882 has 32 divisors (see below), whose sum is σ = 271589760. Its totient is φ = 40466160.

The previous prime is 121806869. The next prime is 121806889. The reversal of 121806882 is 288608121.

It is not an unprimeable number, because it can be changed into a prime (121806889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13168 + ... + 20420.

It is an arithmetic number, because the mean of its divisors is an integer number (8487180).

Almost surely, 2121806882 is an apocalyptic number.

121806882 is an abundant number, since it is smaller than the sum of its proper divisors (149782878).

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

121806882 is a wasteful number, since it uses less digits than its factorization.

121806882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575 (or 7569 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 121806882 is about 11036.6155138249. The cubic root of 121806882 is about 495.7057334691.

The spelling of 121806882 in words is "one hundred twenty-one million, eight hundred six thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 311 622 933 1866 2799 5598 7253 8397 14506 16794 21759 43518 65277 130554 195831 391662 2255683 4511366 6767049 13534098 20301147 40602294 60903441 121806882