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38057806898 = 219028903449
BaseRepresentation
bin100011011100011011…
…000000110000110010
310122020022110220102122
4203130123000300302
51110420244310043
625252234514242
72515052010146
oct433433006062
9118208426378
1038057806898
111515a704681
127461595982
133786897b87
141bb067d226
15ecb242368
hex8dc6c0c32

38057806898 has 4 divisors (see below), whose sum is σ = 57086710350. Its totient is φ = 19028903448.

The previous prime is 38057806867. The next prime is 38057806903. The reversal of 38057806898 is 89860875083.

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

It can be written as a sum of positive squares in only one way, i.e., 27978249289 + 10079557609 = 167267^2 + 100397^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38057806898.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9514451723 + ... + 9514451726.

Almost surely, 238057806898 is an apocalyptic number.

38057806898 is a deficient number, since it is larger than the sum of its proper divisors (19028903452).

38057806898 is a wasteful number, since it uses less digits than its factorization.

38057806898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19028903451.

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 38057806898 in words is "thirty-eight billion, fifty-seven million, eight hundred six thousand, eight hundred ninety-eight".

Divisors: 1 2 19028903449 38057806898