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103986393840 = 2434572292469
BaseRepresentation
bin110000011011000010…
…0100111001011110000
3100221101222202010120000
41200312010213023300
53200431004100330
6115434245150000
710340610522660
oct1406604471360
9327358663500
10103986393840
114011167686a
12181a09bb300
139a62679074
1450666721a0
152a891c3560
hex18361272f0

103986393840 has 200 divisors, whose sum is σ = 412754638560. Its totient is φ = 23768308224.

The previous prime is 103986393829. The next prime is 103986393853. The reversal of 103986393840 is 48393689301.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1100875 + ... + 1191594.

Almost surely, 2103986393840 is an apocalyptic number.

103986393840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103986393840 is an abundant number, since it is smaller than the sum of its proper divisors (308768244720).

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

103986393840 is a wasteful number, since it uses less digits than its factorization.

103986393840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292501 (or 2292486 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 103986393840 in words is "one hundred three billion, nine hundred eighty-six million, three hundred ninety-three thousand, eight hundred forty".