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122505000152 = 2315313125019
BaseRepresentation
bin111001000010111011…
…1011111010011011000
3102201012120202210200212
41302011313133103120
54001342240001102
6132140015150252
711564534214563
oct1620567372330
9381176683625
10122505000152
1147a54973887
121b8aa815388
13b724177692
145d01cd94da
1532bed6cc52
hex1c85ddf4d8

122505000152 has 8 divisors (see below), whose sum is σ = 229696875300. Its totient is φ = 61252500072.

The previous prime is 122505000139. The next prime is 122505000157. The reversal of 122505000152 is 251000505221.

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

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 polite number, since it can be written as a sum of consecutive naturals, namely, 7656562502 + ... + 7656562517.

Almost surely, 2122505000152 is an apocalyptic number.

It is an amenable number.

122505000152 is a deficient number, since it is larger than the sum of its proper divisors (107191875148).

122505000152 is a wasteful number, since it uses less digits than its factorization.

122505000152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15313125025 (or 15313125021 counting only the distinct ones).

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

Adding to 122505000152 its reverse (251000505221), we get a palindrome (373505505373).

The spelling of 122505000152 in words is "one hundred twenty-two billion, five hundred five million, one hundred fifty-two", and thus it is an aban number.

Divisors: 1 2 4 8 15313125019 30626250038 61252500076 122505000152