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122505000151 = 6173129721211
BaseRepresentation
bin111001000010111011…
…1011111010011010111
3102201012120202210200211
41302011313133103113
54001342240001101
6132140015150251
711564534214562
oct1620567372327
9381176683624
10122505000151
1147a54973886
121b8aa815387
13b724177691
145d01cd94d9
1532bed6cc51
hex1c85ddf4d7

122505000151 has 16 divisors (see below), whose sum is σ = 126322211488. Its totient is φ = 118748851200.

The previous prime is 122505000139. The next prime is 122505000157. The reversal of 122505000151 is 151000505221.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122505000151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122505000157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5764936 + ... + 5786146.

It is an arithmetic number, because the mean of its divisors is an integer number (7895138218).

Almost surely, 2122505000151 is an apocalyptic number.

122505000151 is a deficient number, since it is larger than the sum of its proper divisors (3817211337).

122505000151 is a wasteful number, since it uses less digits than its factorization.

122505000151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22642.

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 122505000151 its reverse (151000505221), we get a palindrome (273505505372).

The spelling of 122505000151 in words is "one hundred twenty-two billion, five hundred five million, one hundred fifty-one", and thus it is an aban number.

Divisors: 1 61 73 1297 4453 21211 79117 94681 1293871 1548403 5775541 27510667 94452583 1678150687 2008278691 122505000151