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195422515488 = 25341924572
BaseRepresentation
bin1011011000000000010…
…1101111000100100000
3200200102022221101020000
42312000011233010200
511200211130443423
6225435330420000
720055515655054
oct2660005570440
9620368841200
10195422515488
1175972a08352
1231a5a731600
1315574b86265
14965c1a5c64
15513b67c843
hex2d8016f120

195422515488 has 270 divisors, whose sum is σ = 607903506441. Its totient is φ = 61577335296.

The previous prime is 195422515481. The next prime is 195422515511. The reversal of 195422515488 is 884515224591.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

195422515488 is a `hidden beast` number, since 1 + 9 + 5 + 42 + 2 + 51 + 548 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 164521094544 + 30901420944 = 405612^2 + 175788^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=312588.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (195422515481) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 427620156 + ... + 427620612.

Almost surely, 2195422515488 is an apocalyptic number.

195422515488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195422515488

195422515488 is an abundant number, since it is smaller than the sum of its proper divisors (412480990953).

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

195422515488 is an frugal number, since it uses more digits than its factorization.

195422515488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 481 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 54.

The spelling of 195422515488 in words is "one hundred ninety-five billion, four hundred twenty-two million, five hundred fifteen thousand, four hundred eighty-eight".