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38698689683 = 126413061363
BaseRepresentation
bin100100000010100111…
…110010010010010011
310200212222102010100002
4210002213302102103
51113223331032213
625440011120215
72536663302113
oct440247622223
9120788363302
1038698689683
1115459446375
12760014306b
1338595a9064
141c31829043
151017638658
hex9029f2493

38698689683 has 4 divisors (see below), whose sum is σ = 38701763688. Its totient is φ = 38695615680.

The previous prime is 38698689677. The next prime is 38698689709.

38698689683 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 38698689683 - 28 = 38698689427 is a prime.

It is a super-2 number, since 2×386986896832 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38698689683.

It is not an unprimeable number, because it can be changed into a prime (38698689283) 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, 1518041 + ... + 1543322.

It is an arithmetic number, because the mean of its divisors is an integer number (9675440922).

Almost surely, 238698689683 is an apocalyptic number.

38698689683 is a deficient number, since it is larger than the sum of its proper divisors (3074005).

38698689683 is a wasteful number, since it uses less digits than its factorization.

38698689683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074004.

The product of its digits is 644972544, while the sum is 74.

The spelling of 38698689683 in words is "thirty-eight billion, six hundred ninety-eight million, six hundred eighty-nine thousand, six hundred eighty-three".

Divisors: 1 12641 3061363 38698689683