Search a number
-
+
121749058 = 2127479327
BaseRepresentation
bin1110100000110…
…11111001000010
322111002111022101
413100123321002
5222131432213
620025301014
73005564344
oct720337102
9274074271
10121749058
11627a6962
123493476a
131c2ba082
1412253294
15aa4dbdd
hex741be42

121749058 has 8 divisors (see below), whose sum is σ = 184061952. Its totient is φ = 60395076.

The previous prime is 121749041. The next prime is 121749071. The reversal of 121749058 is 850947121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239410 + ... + 239917.

It is an arithmetic number, because the mean of its divisors is an integer number (23007744).

Almost surely, 2121749058 is an apocalyptic number.

121749058 is a deficient number, since it is larger than the sum of its proper divisors (62312894).

121749058 is a wasteful number, since it uses less digits than its factorization.

121749058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479456.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 121749058 is about 11033.9955591798. The cubic root of 121749058 is about 495.6272807994.

The spelling of 121749058 in words is "one hundred twenty-one million, seven hundred forty-nine thousand, fifty-eight".

Divisors: 1 2 127 254 479327 958654 60874529 121749058