Search a number
-
+
124355512525420 = 225112421292334509
BaseRepresentation
bin11100010001100111000110…
…001001100110001001101100
3121022022021022111000020111201
4130101213012021212021230
5112244420042201303140
61120252044522055244
735123250345615241
oct3421470611461154
9538267274006451
10124355512525420
1136694970974060
1211b44b2164a524
13545089cba1887
14229cba5dd95c8
15e59b8b5aa49a
hex7119c626626c

124355512525420 has 48 divisors (see below), whose sum is σ = 284888472775200. Its totient is φ = 45219980241920.

The previous prime is 124355512525403. The next prime is 124355512525457. The reversal of 124355512525420 is 24525215553421.

124355512525420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1243555125254202 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52101126 + ... + 54435634.

It is an arithmetic number, because the mean of its divisors is an integer number (5935176516150).

Almost surely, 2124355512525420 is an apocalyptic number.

124355512525420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124355512525420 is an abundant number, since it is smaller than the sum of its proper divisors (160532960249780).

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

124355512525420 is a wasteful number, since it uses less digits than its factorization.

124355512525420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576658 (or 2576656 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 46.

The spelling of 124355512525420 in words is "one hundred twenty-four trillion, three hundred fifty-five billion, five hundred twelve million, five hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 242129 484258 968516 1210645 2334509 2421290 2663419 4669018 4842580 5326838 9338036 10653676 11672545 13317095 23345090 25679599 26634190 46690180 51359198 53268380 102718396 128397995 256795990 513591980 565252329661 1130504659322 2261009318644 2826261648305 5652523296610 6217775626271 11305046593220 12435551252542 24871102505084 31088878131355 62177756262710 124355512525420