Search a number
-
+
12800542383 = 32192315232137
BaseRepresentation
bin10111110101111100…
…01100011010101111
31020001002110221001100
423322332030122233
5202203414324013
65514104014143
7632131546356
oct137276143257
936032427040
1012800542383
115479632a52
122592a61353
13128cc77545
1489608899d
154edba3473
hex2faf8c6af

12800542383 has 48 divisors (see below), whose sum is σ = 20331866880. Its totient is φ = 7724356992.

The previous prime is 12800542379. The next prime is 12800542399. The reversal of 12800542383 is 38324500821.

12800542383 is a `hidden beast` number, since 1 + 2 + 80 + 0 + 542 + 38 + 3 = 666.

It is not a de Polignac number, because 12800542383 - 22 = 12800542379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12800502383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5988891 + ... + 5991027.

It is an arithmetic number, because the mean of its divisors is an integer number (423580560).

Almost surely, 212800542383 is an apocalyptic number.

12800542383 is a deficient number, since it is larger than the sum of its proper divisors (7531324497).

12800542383 is a wasteful number, since it uses less digits than its factorization.

12800542383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708 (or 3705 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 12800542383 in words is "twelve billion, eight hundred million, five hundred forty-two thousand, three hundred eighty-three".

Divisors: 1 3 9 19 23 57 69 171 207 437 1311 1523 2137 3933 4569 6411 13707 19233 28937 35029 40603 49151 86811 105087 121809 147453 260433 315261 365427 442359 665551 933869 1996653 2801607 3254651 5989959 8404821 9763953 29291859 61838369 74856973 185515107 224570919 556545321 673712757 1422282487 4266847461 12800542383