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140124012020 = 22531376108283
BaseRepresentation
bin1000001010000000001…
…0101011110111110100
3111101200111001100020222
42002200002223313310
54243433221341040
6144212211513512
713060255310246
oct2024002536764
9441614040228
10140124012020
1154476396213
12231a72b8898
13102a14920a5
146ad3cb0096
1539a1a6abb5
hex20a00abdf4

140124012020 has 48 divisors (see below), whose sum is σ = 311962280448. Its totient is φ = 52775556480.

The previous prime is 140124012013. The next prime is 140124012023. The reversal of 140124012020 is 20210421041.

It is a super-2 number, since 2×1401240120202 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140124012020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140124012023) 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, 3031202 + ... + 3077081.

It is an arithmetic number, because the mean of its divisors is an integer number (6499214176).

Almost surely, 2140124012020 is an apocalyptic number.

140124012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140124012020 is an abundant number, since it is smaller than the sum of its proper divisors (171838268428).

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

140124012020 is a wasteful number, since it uses less digits than its factorization.

140124012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108360 (or 6108358 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 140124012020 its reverse (20210421041), we get a palindrome (160334433061).

The spelling of 140124012020 in words is "one hundred forty billion, one hundred twenty-four million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 31 37 62 74 124 148 155 185 310 370 620 740 1147 2294 4588 5735 11470 22940 6108283 12216566 24433132 30541415 61082830 122165660 189356773 226006471 378713546 452012942 757427092 904025884 946783865 1130032355 1893567730 2260064710 3787135460 4520129420 7006200601 14012401202 28024802404 35031003005 70062006010 140124012020