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38377864338 = 2311581482793
BaseRepresentation
bin100011101111011111…
…111011110010010010
310200001121201111200220
4203233133323302102
51112044213124323
625344110453510
72526016315212
oct435737736222
9120047644626
1038377864338
1115304338560
127530804296
133807c99288
141c00d94242
15ee93b40e3
hex8ef7fbc92

38377864338 has 16 divisors (see below), whose sum is σ = 83733522336. Its totient is φ = 11629655840.

The previous prime is 38377864307. The next prime is 38377864373. The reversal of 38377864338 is 83346877383.

It is a super-2 number, since 2×383778643382 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290741331 + ... + 290741462.

It is an arithmetic number, because the mean of its divisors is an integer number (5233345146).

Almost surely, 238377864338 is an apocalyptic number.

38377864338 is an abundant number, since it is smaller than the sum of its proper divisors (45355657998).

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

38377864338 is a wasteful number, since it uses less digits than its factorization.

38377864338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581482809.

The product of its digits is 48771072, while the sum is 60.

The spelling of 38377864338 in words is "thirty-eight billion, three hundred seventy-seven million, eight hundred sixty-four thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 581482793 1162965586 1744448379 3488896758 6396310723 12792621446 19188932169 38377864338