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124434421524431 = 218131570457301
BaseRepresentation
bin11100010010110000100101…
…011111100010011111001111
3121022120210222210012201111122
4130102300211133202133033
5112302213143402240211
61120352214543511155
735132042652214034
oct3422604537423717
9538523883181448
10124434421524431
1136715383a51a27
1211b58283bb84bb
135458166c86a75
1422a292dcd938b
15e5bc58dbe6db
hex712c257e27cf

124434421524431 has 4 divisors (see below), whose sum is σ = 124434992199864. Its totient is φ = 124433850849000.

The previous prime is 124434421524419. The next prime is 124434421524451. The reversal of 124434421524431 is 134425124434421.

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 124434421524431 - 222 = 124434417330127 is a prime.

It is a super-2 number, since 2×1244344215244312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124434421524451) 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, 285010520 + ... + 285446781.

It is an arithmetic number, because the mean of its divisors is an integer number (31108748049966).

Almost surely, 2124434421524431 is an apocalyptic number.

124434421524431 is a deficient number, since it is larger than the sum of its proper divisors (570675433).

124434421524431 is an equidigital number, since it uses as much as digits as its factorization.

124434421524431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570675432.

The product of its digits is 1474560, while the sum is 44.

Adding to 124434421524431 its reverse (134425124434421), we get a palindrome (258859545958852).

The spelling of 124434421524431 in words is "one hundred twenty-four trillion, four hundred thirty-four billion, four hundred twenty-one million, five hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 218131 570457301 124434421524431