Search a number
-
+
122065672 = 2315258209
BaseRepresentation
bin1110100011010…
…01001100001000
322111200120121211
413101221030020
5222222100142
620040142504
73011353411
oct721511410
9274616554
10122065672
11629a2823
1234a67a34
131c39b211
14122d6808
15aab2917
hex7469308

122065672 has 8 divisors (see below), whose sum is σ = 228873150. Its totient is φ = 61032832.

The previous prime is 122065663. The next prime is 122065679. The reversal of 122065672 is 276560221.

It can be written as a sum of positive squares in only one way, i.e., 91661476 + 30404196 = 9574^2 + 5514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1220656723 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (122065679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7629097 + ... + 7629112.

Almost surely, 2122065672 is an apocalyptic number.

It is an amenable number.

122065672 is a deficient number, since it is larger than the sum of its proper divisors (106807478).

122065672 is a wasteful number, since it uses less digits than its factorization.

122065672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15258215 (or 15258211 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 122065672 is about 11048.3334489868. Note that the first 3 decimals coincide. The cubic root of 122065672 is about 496.0565427216.

The spelling of 122065672 in words is "one hundred twenty-two million, sixty-five thousand, six hundred seventy-two".

Divisors: 1 2 4 8 15258209 30516418 61032836 122065672