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38865740398 = 219432870199
BaseRepresentation
bin100100001100100101…
…000010001001101110
310201022121202011211121
4210030211002021232
51114044112143043
625504335411154
72544062225332
oct441445021156
9121277664747
1038865740398
1115534774011
127648083aba
133885097b34
141c49ab17c2
151027134ded
hex90c94226e

38865740398 has 4 divisors (see below), whose sum is σ = 58298610600. Its totient is φ = 19432870198.

The previous prime is 38865740293. The next prime is 38865740413. The reversal of 38865740398 is 89304756883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89304756883 = 197453323639.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9716435098 + ... + 9716435101.

It is an arithmetic number, because the mean of its divisors is an integer number (14574652650).

Almost surely, 238865740398 is an apocalyptic number.

38865740398 is a deficient number, since it is larger than the sum of its proper divisors (19432870202).

38865740398 is a wasteful number, since it uses less digits than its factorization.

38865740398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19432870201.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 38865740398 in words is "thirty-eight billion, eight hundred sixty-five million, seven hundred forty thousand, three hundred ninety-eight".

Divisors: 1 2 19432870199 38865740398