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122032423140 = 22354914142309
BaseRepresentation
bin111000110100110110…
…0110000000011100100
3102122222122112101220120
41301221230300003210
53444410300020030
6132021054201540
711550035324205
oct1615154600344
9378878471816
10122032423140
1147832137771
121b7984b32b0
13b67a2a4604
145c992415ac
153293620010
hex1c69b300e4

122032423140 has 48 divisors (see below), whose sum is σ = 342386775360. Its totient is φ = 32475694720.

The previous prime is 122032423129. The next prime is 122032423141. The reversal of 122032423140 is 41324230221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122032423140.

It is not an unprimeable number, because it can be changed into a prime (122032423141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2041695 + ... + 2100614.

It is an arithmetic number, because the mean of its divisors is an integer number (7133057820).

Almost surely, 2122032423140 is an apocalyptic number.

122032423140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122032423140 is an abundant number, since it is smaller than the sum of its proper divisors (220354352220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122032423140 is a wasteful number, since it uses less digits than its factorization.

122032423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142812 (or 4142810 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 122032423140 its reverse (41324230221), we get a palindrome (163356653361).

The spelling of 122032423140 in words is "one hundred twenty-two billion, thirty-two million, four hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 491 982 1473 1964 2455 2946 4910 5892 7365 9820 14730 29460 4142309 8284618 12426927 16569236 20711545 24853854 41423090 49707708 62134635 82846180 124269270 248538540 2033873719 4067747438 6101621157 8135494876 10169368595 12203242314 20338737190 24406484628 30508105785 40677474380 61016211570 122032423140