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38620325488669 = 337691143662101
BaseRepresentation
bin10001100011111111111101…
…10010000010100000011101
312001202001210212221000121021
420301333332302002200131
520030223411311114134
6214045533235204141
711064140445146101
oct1061777662024035
9161661725830537
1038620325488669
111133a8739aa301
1243b8a64a46651
131871b5b91ba82
1497733b4c1901
1546e90b1be0b4
hex231ffec8281d

38620325488669 has 4 divisors (see below), whose sum is σ = 38621469184540. Its totient is φ = 38619181792800.

The previous prime is 38620325488663. The next prime is 38620325488673. The reversal of 38620325488669 is 96688452302683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34144879463044 + 4475446025625 = 5843362^2 + 2115525^2 .

It is a cyclic number.

It is not a de Polignac number, because 38620325488669 - 27 = 38620325488541 is a prime.

It is a super-2 number, since 2×386203254886692 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38620325488598 and 38620325488607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38620325488663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571797282 + ... + 571864819.

It is an arithmetic number, because the mean of its divisors is an integer number (9655367296135).

Almost surely, 238620325488669 is an apocalyptic number.

It is an amenable number.

38620325488669 is a deficient number, since it is larger than the sum of its proper divisors (1143695871).

38620325488669 is a wasteful number, since it uses less digits than its factorization.

38620325488669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143695870.

The product of its (nonzero) digits is 716636160, while the sum is 70.

The spelling of 38620325488669 in words is "thirty-eight trillion, six hundred twenty billion, three hundred twenty-five million, four hundred eighty-eight thousand, six hundred sixty-nine".

Divisors: 1 33769 1143662101 38620325488669