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3748342252761 = 3463421729661
BaseRepresentation
bin110110100010111010100…
…110111100010011011001
3111021100010102020120010000
4312202322212330103121
5442403101104042021
611545544211043213
7534544262311041
oct66427246742331
914240112216100
103748342252761
111215732534387
125065542a0509
1321260c465322
14cd5c66c4721
1567782886b26
hex368ba9bc4d9

3748342252761 has 20 divisors (see below), whose sum is σ = 5599471427044. Its totient is φ = 2498852008800.

The previous prime is 3748342252717. The next prime is 3748342252769. The reversal of 3748342252761 is 1672522438473.

3748342252761 is a `hidden beast` number, since 3 + 7 + 4 + 8 + 34 + 22 + 527 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1224552494025 + 2523789758736 = 1106595^2 + 1588644^2 .

It is not a de Polignac number, because 3748342252761 - 211 = 3748342250713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3748342252698 and 3748342252707.

It is not an unprimeable number, because it can be changed into a prime (3748342252769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4772271 + ... + 5501931.

Almost surely, 23748342252761 is an apocalyptic number.

It is an amenable number.

3748342252761 is a deficient number, since it is larger than the sum of its proper divisors (1851129174283).

3748342252761 is an equidigital number, since it uses as much as digits as its factorization.

3748342252761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793094 (or 793085 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 3748342252761 in words is "three trillion, seven hundred forty-eight billion, three hundred forty-two million, two hundred fifty-two thousand, seven hundred sixty-one".

Divisors: 1 3 9 27 81 63421 190263 570789 729661 1712367 2188983 5137101 6566949 19700847 59102541 46275830281 138827490843 416482472529 1249447417587 3748342252761