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13405874043 = 3139220314593
BaseRepresentation
bin11000111110000110…
…10110011101111011
31021121021111221222110
430133003112131323
5204423400432133
610054130223403
7653132022612
oct143703263573
937537457873
1013405874043
11575a2a2651
122721724b63
1313584bbb63
1491261c879
15536dc5c63
hex31f0d677b

13405874043 has 16 divisors (see below), whose sum is σ = 18012498560. Its totient is φ = 8868317184.

The previous prime is 13405873981. The next prime is 13405874057. The reversal of 13405874043 is 34047850431.

It is not a de Polignac number, because 13405874043 - 26 = 13405873979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13405873992 and 13405874010.

It is not an unprimeable number, because it can be changed into a prime (13405874843) 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, 911355 + ... + 925947.

It is an arithmetic number, because the mean of its divisors is an integer number (1125781160).

Almost surely, 213405874043 is an apocalyptic number.

13405874043 is a deficient number, since it is larger than the sum of its proper divisors (4606624517).

13405874043 is a wasteful number, since it uses less digits than its factorization.

13405874043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16938.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 13405874043 in words is "thirteen billion, four hundred five million, eight hundred seventy-four thousand, forty-three".

Divisors: 1 3 139 417 2203 6609 14593 43779 306217 918651 2028427 6085281 32148379 96445137 4468624681 13405874043