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2153511216136 = 237591076091487
BaseRepresentation
bin11111010101100111010…
…001010110010000001000
321121212120220021121212201
4133111213101112100020
5240240342332404021
64325150455045544
7311405005212040
oct37254721262010
97555526247781
102153511216136
11760331a37655
122a94466708b4
131280c93a93c7
14763326bc720
153b03ee82591
hex1f567456408

2153511216136 has 64 divisors (see below), whose sum is σ = 4736741068800. Its totient is φ = 898810942272.

The previous prime is 2153511216089. The next prime is 2153511216139. The reversal of 2153511216136 is 6316121153512.

It is a super-2 number, since 2×21535112161362 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2153511216095 and 2153511216104.

It is not an unprimeable number, because it can be changed into a prime (2153511216139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2692216 + ... + 3399271.

It is an arithmetic number, because the mean of its divisors is an integer number (74011579200).

Almost surely, 22153511216136 is an apocalyptic number.

It is an amenable number.

2153511216136 is an abundant number, since it is smaller than the sum of its proper divisors (2583229852664).

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

2153511216136 is a wasteful number, since it uses less digits than its factorization.

2153511216136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091666 (or 6091662 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

Adding to 2153511216136 its reverse (6316121153512), we get a palindrome (8469632369648).

The spelling of 2153511216136 in words is "two trillion, one hundred fifty-three billion, five hundred eleven million, two hundred sixteen thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 59 107 118 214 236 413 428 472 749 826 856 1498 1652 2996 3304 5992 6313 12626 25252 44191 50504 88382 176764 353528 6091487 12182974 24365948 42640409 48731896 85280818 170561636 341123272 359397733 651789109 718795466 1303578218 1437590932 2515784131 2607156436 2875181864 4562523763 5031568262 5214312872 9125047526 10063136524 18250095052 20126273048 36500190104 38455557431 76911114862 153822229724 269188902017 307644459448 538377804034 1076755608068 2153511216136