Search a number
-
+
122030205302 = 261015102651
BaseRepresentation
bin111000110100110010…
…0010010100101110110
3102122222111100201121102
41301221210102211312
53444404213032202
6132020534450102
711550010426205
oct1615144224566
9378874321542
10122030205302
1147830962445
121b797803932
13b6799a8c95
145c98c2523c
153293332d02
hex1c69912976

122030205302 has 4 divisors (see below), whose sum is σ = 183045307956. Its totient is φ = 61015102650.

The previous prime is 122030205281. The next prime is 122030205313. The reversal of 122030205302 is 203502030221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203502030221 = 729071718603.

It is a super-2 number, since 2×1220302053022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30507551324 + ... + 30507551327.

It is an arithmetic number, because the mean of its divisors is an integer number (45761326989).

Almost surely, 2122030205302 is an apocalyptic number.

122030205302 is a deficient number, since it is larger than the sum of its proper divisors (61015102654).

122030205302 is an equidigital number, since it uses as much as digits as its factorization.

122030205302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61015102653.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 122030205302 its reverse (203502030221), we get a palindrome (325532235523).

The spelling of 122030205302 in words is "one hundred twenty-two billion, thirty million, two hundred five thousand, three hundred two".

Divisors: 1 2 61015102651 122030205302