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124301430004021 = 421392949795439
BaseRepresentation
bin11100010000110100101110…
…100101001001100100110101
3121022010002201101012111100121
4130100310232211021210311
5112243023312040112041
61120211142202011541
735116324212021604
oct3420645645114465
9538102641174317
10124301430004021
1136673a38784286
1211b365494a6bb1
1354487613a951a
14229a3153d3a3b
15e585735de7d1
hex710d2e949935

124301430004021 has 4 divisors (see below), whose sum is σ = 124304379841600. Its totient is φ = 124298480166444.

The previous prime is 124301430004009. The next prime is 124301430004057. The reversal of 124301430004021 is 120400034103421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124301430004021 - 227 = 124301295786293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124301430004121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474855581 + ... + 1474939858.

It is an arithmetic number, because the mean of its divisors is an integer number (31076094960400).

Almost surely, 2124301430004021 is an apocalyptic number.

It is an amenable number.

124301430004021 is a deficient number, since it is larger than the sum of its proper divisors (2949837579).

124301430004021 is an equidigital number, since it uses as much as digits as its factorization.

124301430004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949837578.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 124301430004021 its reverse (120400034103421), we get a palindrome (244701464107442).

The spelling of 124301430004021 in words is "one hundred twenty-four trillion, three hundred one billion, four hundred thirty million, four thousand, twenty-one".

Divisors: 1 42139 2949795439 124301430004021