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30768685628636 = 22179277479932327
BaseRepresentation
bin1101111111011111001001…
…00100111011110011011100
311000221110100121022121112202
412333233210210323303130
513013103232010104021
6145234534455551032
76323651466415004
oct677574444736334
9130843317277482
1030768685628636
119892a2099909a
12354b21668b478
1314226229263a7
147852d88c5004
1538556ddb3a0b
hex1bfbe493bcdc

30768685628636 has 48 divisors (see below), whose sum is σ = 54354488832000. Its totient is φ = 15239520141888.

The previous prime is 30768685628581. The next prime is 30768685628677. The reversal of 30768685628636 is 63682658686703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951779105 + ... + 951811431.

It is an arithmetic number, because the mean of its divisors is an integer number (1132385184000).

Almost surely, 230768685628636 is an apocalyptic number.

It is an amenable number.

30768685628636 is a deficient number, since it is larger than the sum of its proper divisors (23585803203364).

30768685628636 is a wasteful number, since it uses less digits than its factorization.

30768685628636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37586 (or 37584 counting only the distinct ones).

The product of its (nonzero) digits is 2508226560, while the sum is 74.

The spelling of 30768685628636 in words is "thirty trillion, seven hundred sixty-eight billion, six hundred eighty-five million, six hundred twenty-eight thousand, six hundred thirty-six".

Divisors: 1 2 4 179 277 358 554 716 1108 4799 9598 19196 32327 49583 64654 99166 129308 198332 859021 1329323 1718042 2658646 3436084 5317292 5786533 8954579 11573066 17909158 23146132 35818316 155137273 237948817 310274546 475897634 620549092 951795268 1602869641 3205739282 6411478564 27769571867 42973024621 55539143734 85946049242 111078287468 171892098484 7692171407159 15384342814318 30768685628636