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3869681970675 = 3522271472
BaseRepresentation
bin111000010011111011000…
…001001110110111110011
3111200221022210022220002110
4320103323001032313303
51001400102041030200
612121412442220403
7546401220015423
oct70237301166763
914627283286073
103869681970675
111262139654394
12525b787b4703
13220ba9082991
14d541792a483
156a9d5275b50
hex384fb04edf3

3869681970675 has 18 divisors (see below), whose sum is σ = 6397902357868. Its totient is φ = 2063821298480.

The previous prime is 3869681970673. The next prime is 3869681970683. The reversal of 3869681970675 is 5760791869683.

It is not a de Polignac number, because 3869681970675 - 21 = 3869681970673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3869681970597 and 3869681970606.

It is not an unprimeable number, because it can be changed into a prime (3869681970673) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16922452 + ... + 17149598.

Almost surely, 23869681970675 is an apocalyptic number.

3869681970675 is a deficient number, since it is larger than the sum of its proper divisors (2528220387193).

3869681970675 is an frugal number, since it uses more digits than its factorization.

3869681970675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454307 (or 227155 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 75.

Multiplying 3869681970675 by its sum of digits (75), we get a square (290226147800625 = 170360252).

3869681970675 divided by its sum of digits (75) gives a square (51595759609 = 2271472).

The spelling of 3869681970675 in words is "three trillion, eight hundred sixty-nine billion, six hundred eighty-one million, nine hundred seventy thousand, six hundred seventy-five".

Divisors: 1 3 5 15 25 75 227147 681441 1135735 3407205 5678675 17036025 51595759609 154787278827 257978798045 773936394135 1289893990225 3869681970675