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857800380038 = 2772313847309
BaseRepresentation
bin11000111101110001110…
…00110000111010000110
310001000010120202021101212
430132320320300322012
5103023233344130123
61454022411051422
7115655043632360
oct14367070607206
93030116667355
10857800380038
11300877a51818
1211a2b7740b72
1362b75aa9194
142d736a39d30
15174a78a0878
hexc7b8e30e86

857800380038 has 16 divisors (see below), whose sum is σ = 1470537008160. Its totient is φ = 367623216576.

The previous prime is 857800380007. The next prime is 857800380071. The reversal of 857800380038 is 830083008758.

857800380038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588728 + ... + 1436036.

It is an arithmetic number, because the mean of its divisors is an integer number (91908563010).

Almost surely, 2857800380038 is an apocalyptic number.

857800380038 is a deficient number, since it is larger than the sum of its proper divisors (612736628122).

857800380038 is a wasteful number, since it uses less digits than its factorization.

857800380038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919631.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 857800380038 in words is "eight hundred fifty-seven billion, eight hundred million, three hundred eighty thousand, thirty-eight".

Divisors: 1 2 7 14 72313 144626 506191 847309 1012382 1694618 5931163 11862326 61271455717 122542911434 428900190019 857800380038