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38490418576 = 2419511324763
BaseRepresentation
bin100011110110001101…
…010010110110010000
310200100110111212002101
4203312031102312100
51112312021343301
625403211130144
72531554105531
oct436615226620
9120313455071
1038490418576
1115361924195
127562443954
1338253b710c
141c11cd2688
1510041e8701
hex8f6352d90

38490418576 has 40 divisors (see below), whose sum is σ = 78518719520. Its totient is φ = 18228001536.

The previous prime is 38490418523. The next prime is 38490418579. The reversal of 38490418576 is 67581409483.

It is not an unprimeable number, because it can be changed into a prime (38490418579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1541971 + ... + 1566733.

It is an arithmetic number, because the mean of its divisors is an integer number (1962967988).

Almost surely, 238490418576 is an apocalyptic number.

It is an amenable number.

38490418576 is an abundant number, since it is smaller than the sum of its proper divisors (40028300944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38490418576 is a wasteful number, since it uses less digits than its factorization.

38490418576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29903 (or 29897 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 38490418576 in words is "thirty-eight billion, four hundred ninety million, four hundred eighteen thousand, five hundred seventy-six".

Divisors: 1 2 4 8 16 19 38 76 152 304 5113 10226 20452 24763 40904 49526 81808 97147 99052 194294 198104 388588 396208 470497 777176 940994 1554352 1881988 3763976 7527952 126613219 253226438 506452876 1012905752 2025811504 2405651161 4811302322 9622604644 19245209288 38490418576