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124680043 = 241151713
BaseRepresentation
bin1110110111001…
…11011101101011
322200121101212101
413123213131223
5223404230133
620212154231
73042522445
oct733473553
9280541771
10124680043
1164418a64
1235908977
131caa5197
14127b7495
15ae2c37d
hex76e776b

124680043 has 4 divisors (see below), whose sum is σ = 124734168. Its totient is φ = 124625920.

The previous prime is 124680041. The next prime is 124680089. The reversal of 124680043 is 340086421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124680043 - 21 = 124680041 is a prime.

It is a super-2 number, since 2×1246800432 = 31090226244963698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124679993 and 124680020.

It is not an unprimeable number, because it can be changed into a prime (124680041) 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 3 ways as a sum of consecutive naturals, for example, 23446 + ... + 28267.

It is an arithmetic number, because the mean of its divisors is an integer number (31183542).

Almost surely, 2124680043 is an apocalyptic number.

124680043 is a deficient number, since it is larger than the sum of its proper divisors (54125).

124680043 is an equidigital number, since it uses as much as digits as its factorization.

124680043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54124.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 124680043 is about 11166.0218072508. The cubic root of 124680043 is about 499.5730261571.

The spelling of 124680043 in words is "one hundred twenty-four million, six hundred eighty thousand, forty-three".

Divisors: 1 2411 51713 124680043