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104011302121421 = 463224646440867
BaseRepresentation
bin10111101001100100000100…
…101101110010111111001101
3111122021101100110221111010112
4113221210010231302333031
5102113110121320341141
61005114044344245405
730623366012454602
oct2751440455627715
9448241313844115
10104011302121421
1130160a44529962
12b7ba106770865
1346062ba62a596
141b982611c86a9
15c0588cae67eb
hex5e9904b72fcd

104011302121421 has 4 divisors (see below), whose sum is σ = 104235948562752. Its totient is φ = 103786655680092.

The previous prime is 104011302121367. The next prime is 104011302121423. The reversal of 104011302121421 is 124121203110401.

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 104011302121421 - 214 = 104011302105037 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 (104011302121423) 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, 112323219971 + ... + 112323220896.

It is an arithmetic number, because the mean of its divisors is an integer number (26058987140688).

Almost surely, 2104011302121421 is an apocalyptic number.

It is an amenable number.

104011302121421 is a deficient number, since it is larger than the sum of its proper divisors (224646441331).

104011302121421 is an equidigital number, since it uses as much as digits as its factorization.

104011302121421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224646441330.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 104011302121421 its reverse (124121203110401), we get a palindrome (228132505231822).

The spelling of 104011302121421 in words is "one hundred four trillion, eleven billion, three hundred two million, one hundred twenty-one thousand, four hundred twenty-one".

Divisors: 1 463 224646440867 104011302121421