Search a number
-
+
122150255 = 524430051
BaseRepresentation
bin1110100011111…
…01110101101111
322111211212122112
413101331311233
5222232302010
620042034235
73012155123
oct721756557
9274755575
10122150255
1162a50327
1234aa897b
131c3ca876
1412319583
15aacca05
hex747dd6f

122150255 has 4 divisors (see below), whose sum is σ = 146580312. Its totient is φ = 97720200.

The previous prime is 122150207. The next prime is 122150293. The reversal of 122150255 is 552051221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122150255 - 210 = 122149231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122150255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12215021 + ... + 12215030.

It is an arithmetic number, because the mean of its divisors is an integer number (36645078).

Almost surely, 2122150255 is an apocalyptic number.

122150255 is a deficient number, since it is larger than the sum of its proper divisors (24430057).

122150255 is an equidigital number, since it uses as much as digits as its factorization.

122150255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24430056.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 122150255 is about 11052.1606484886. The cubic root of 122150255 is about 496.1710937996.

The spelling of 122150255 in words is "one hundred twenty-two million, one hundred fifty thousand, two hundred fifty-five".

Divisors: 1 5 24430051 122150255