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13122413404 = 2271263175687
BaseRepresentation
bin11000011100010100…
…00010001101011100
31020212112010200002021
430032022002031130
5203333314212104
610010042505524
7643120450012
oct141612021534
936775120067
1013122413404
115624295461
1226628052a4
131311862279
148c6b128b2
1551c082754
hex30e28235c

13122413404 has 24 divisors (see below), whose sum is σ = 23376342528. Its totient is φ = 6444162480.

The previous prime is 13122413389. The next prime is 13122413411. The reversal of 13122413404 is 40431422131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13152 + ... + 162535.

It is an arithmetic number, because the mean of its divisors is an integer number (974014272).

Almost surely, 213122413404 is an apocalyptic number.

It is an amenable number.

13122413404 is a deficient number, since it is larger than the sum of its proper divisors (10253929124).

13122413404 is a wasteful number, since it uses less digits than its factorization.

13122413404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176025 (or 176023 counting only the distinct ones).

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

Adding to 13122413404 its reverse (40431422131), we get a palindrome (53553835535).

The spelling of 13122413404 in words is "thirteen billion, one hundred twenty-two million, four hundred thirteen thousand, four hundred four".

Divisors: 1 2 4 71 142 263 284 526 1052 18673 37346 74692 175687 351374 702748 12473777 24947554 46205681 49895108 92411362 184822724 3280603351 6561206702 13122413404