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104121104412431 = 4725126773296999
BaseRepresentation
bin10111101011001010010101…
…011100010010111100001111
3111122122212202210022210202102
4113223022111130102330033
5102121410010212144211
61005240324112345315
730634334013522161
oct2753122534227417
9448585683283672
10104121104412431
11301a3570011307
12b81744b24523b
134613768b92c02
141b9d6ba024931
15c08667688a3b
hex5eb295712f0f

104121104412431 has 16 divisors (see below), whose sum is σ = 106800011136000. Its totient is φ = 101461816452000.

The previous prime is 104121104412401. The next prime is 104121104412461. The reversal of 104121104412431 is 134214401121401.

It is an interprime number because it is at equal distance from previous prime (104121104412401) and next prime (104121104412461).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104121104412431 is a prime.

It is a super-2 number, since 2×1041211044124312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104121104412394 and 104121104412403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121104412401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29932070 + ... + 33229068.

It is an arithmetic number, because the mean of its divisors is an integer number (6675000696000).

Almost surely, 2104121104412431 is an apocalyptic number.

104121104412431 is a deficient number, since it is larger than the sum of its proper divisors (2678906723569).

104121104412431 is a wasteful number, since it uses less digits than its factorization.

104121104412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299974.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 104121104412431 its reverse (134214401121401), we get a palindrome (238335505533832).

The spelling of 104121104412431 in words is "one hundred four trillion, one hundred twenty-one billion, one hundred four million, four hundred twelve thousand, four hundred thirty-one".

Divisors: 1 47 251 2677 11797 125819 671927 3296999 31580569 154958953 827546749 8826066323 38894697203 414825117181 2215342647073 104121104412431