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13671316834 = 272139503233
BaseRepresentation
bin11001011101101111…
…11011110101100010
31022021202222212000221
430232313323311202
5210444324114314
610140331433254
7662534163400
oct145667736542
938252885027
1013671316834
11588611375a
1227965b582a
13139b4aa5b6
14939998470
1555035a824
hex32edfbd62

13671316834 has 12 divisors (see below), whose sum is σ = 23855053014. Its totient is φ = 5859135744.

The previous prime is 13671316831. The next prime is 13671316837. The reversal of 13671316834 is 43861317631.

It is an interprime number because it is at equal distance from previous prime (13671316831) and next prime (13671316837).

It can be written as a sum of positive squares in only one way, i.e., 8791875225 + 4879441609 = 93765^2 + 69853^2 .

It is a super-2 number, since 2×136713168342 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13671316831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69751519 + ... + 69751714.

Almost surely, 213671316834 is an apocalyptic number.

13671316834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13671316834 is a deficient number, since it is larger than the sum of its proper divisors (10183736180).

13671316834 is a wasteful number, since it uses less digits than its factorization.

13671316834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139503249 (or 139503242 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The spelling of 13671316834 in words is "thirteen billion, six hundred seventy-one million, three hundred sixteen thousand, eight hundred thirty-four".

Divisors: 1 2 7 14 49 98 139503233 279006466 976522631 1953045262 6835658417 13671316834