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124231001020 = 2257887364293
BaseRepresentation
bin111001110110010111…
…1101010001110111100
3102212122212112201202221
41303230233222032330
54013411114013040
6133023153255124
711655363041230
oct1635457521674
9385585481687
10124231001020
1148760185885
12200b08644a4
13b93a928879
14602722c5c0
15337165a74a
hex1cecbea3bc

124231001020 has 24 divisors (see below), whose sum is σ = 298154402784. Its totient is φ = 42593486016.

The previous prime is 124231000979. The next prime is 124231001047. The reversal of 124231001020 is 20100132421.

It is a super-2 number, since 2×1242310010202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124231000985 and 124231001003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443682007 + ... + 443682286.

It is an arithmetic number, because the mean of its divisors is an integer number (12423100116).

Almost surely, 2124231001020 is an apocalyptic number.

124231001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124231001020 is an abundant number, since it is smaller than the sum of its proper divisors (173923401764).

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

124231001020 is a wasteful number, since it uses less digits than its factorization.

124231001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887364309 (or 887364307 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 124231001020 its reverse (20100132421), we get a palindrome (144331133441).

The spelling of 124231001020 in words is "one hundred twenty-four billion, two hundred thirty-one million, one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 887364293 1774728586 3549457172 4436821465 6211550051 8873642930 12423100102 17747285860 24846200204 31057750255 62115500510 124231001020