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13125201848 = 2311319295179
BaseRepresentation
bin11000011100101001…
…01010111110111000
31020212201101100002222
430032110222332320
5203340022424343
610010222343212
7643153242413
oct141624527670
936781340088
1013125201848
11562591a460
12266372ab08
1313122ca535
148c723ab7a
1551c433a68
hex30e52afb8

13125201848 has 64 divisors (see below), whose sum is σ = 27748224000. Its totient is φ = 5766220800.

The previous prime is 13125201833. The next prime is 13125201863. The reversal of 13125201848 is 84810252131.

It is an interprime number because it is at equal distance from previous prime (13125201833) and next prime (13125201863).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2531723 + ... + 2536901.

It is an arithmetic number, because the mean of its divisors is an integer number (433566000).

Almost surely, 213125201848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13125201848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13874112000).

13125201848 is an abundant number, since it is smaller than the sum of its proper divisors (14623022152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13125201848 is a wasteful number, since it uses less digits than its factorization.

13125201848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156 (or 6152 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

Adding to 13125201848 its reverse (84810252131), we get a palindrome (97935453979).

The spelling of 13125201848 in words is "thirteen billion, one hundred twenty-five million, two hundred one thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 11 22 31 44 62 88 124 248 341 682 929 1364 1858 2728 3716 5179 7432 10219 10358 20438 20716 28799 40876 41432 56969 57598 81752 113938 115196 160549 227876 230392 316789 321098 455752 633578 642196 1267156 1284392 1766039 2534312 3532078 4811291 7064156 9622582 14128312 19245164 38490328 52924201 105848402 149150021 211696804 298300042 423393608 596600084 1193200168 1640650231 3281300462 6562600924 13125201848