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124202104040 = 235717238871279
BaseRepresentation
bin111001110101100000…
…1011011010011101000
3102212120212011121120102
41303223001123103220
54013331214312130
6133020242044532
711654562315410
oct1635301332350
9385525147512
10124202104040
1148745939083
12200a3049748
13b93494b971
146023469640
15336dd4d645
hex1ceb05b4e8

124202104040 has 256 divisors, whose sum is σ = 353540505600. Its totient is φ = 38262951936.

The previous prime is 124202104027. The next prime is 124202104043. The reversal of 124202104040 is 40401202421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (124202104043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97108121 + ... + 97109399.

It is an arithmetic number, because the mean of its divisors is an integer number (1381017600).

Almost surely, 2124202104040 is an apocalyptic number.

124202104040 is a gapful number since it is divisible by the number (10) 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 124202104040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176770252800).

124202104040 is an abundant number, since it is smaller than the sum of its proper divisors (229338401560).

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

124202104040 is a wasteful number, since it uses less digits than its factorization.

124202104040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224 (or 2220 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 124202104040 its reverse (40401202421), we get a palindrome (164603306461).

The spelling of 124202104040 in words is "one hundred twenty-four billion, two hundred two million, one hundred four thousand, forty".