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38138000115577 = 320311906962259
BaseRepresentation
bin10001010101111101100011…
…11100110000011101111001
312000000221211210122101102011
420222332301330300131321
514444323111012144302
6213040204432405521
711014244124134065
oct1052766174603571
9160027753571364
1038138000115577
111117426489a68a
12433b4970a68a1
13183852348b81b
1495bc637ccaa5
154620cc0c25d7
hex22afb1f30779

38138000115577 has 4 divisors (see below), whose sum is σ = 38149907081040. Its totient is φ = 38126093150116.

The previous prime is 38138000115547. The next prime is 38138000115617. The reversal of 38138000115577 is 77551100083183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38138000115577 is a prime.

It is a super-3 number, since 3×381380001155773 (a number of 42 digits) contains 333 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 38138000115577.

It is not an unprimeable number, because it can be changed into a prime (38138000115547) 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, 5953477927 + ... + 5953484332.

It is an arithmetic number, because the mean of its divisors is an integer number (9537476770260).

Almost surely, 238138000115577 is an apocalyptic number.

It is an amenable number.

38138000115577 is a deficient number, since it is larger than the sum of its proper divisors (11906965463).

38138000115577 is a wasteful number, since it uses less digits than its factorization.

38138000115577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11906965462.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 38138000115577 in words is "thirty-eight trillion, one hundred thirty-eight billion, one hundred fifteen thousand, five hundred seventy-seven".

Divisors: 1 3203 11906962259 38138000115577