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103388482421 = 73653461599
BaseRepresentation
bin110000001001001101…
…1110000101101110101
3100212212022200002021122
41200102123300231311
53143214422414141
6115255045553325
710320030413000
oct1402233605565
9325768602248
10103388482421
113a9351150a4
1218054715845
139998832023
14500b0b0537
152a5196964b
hex18126f0b75

103388482421 has 16 divisors (see below), whose sum is σ = 120754560000. Its totient is φ = 88482797424.

The previous prime is 103388482409. The next prime is 103388482427. The reversal of 103388482421 is 124284883301.

It is a de Polignac number, because none of the positive numbers 2k-103388482421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103388482427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6821 + ... + 454778.

It is an arithmetic number, because the mean of its divisors is an integer number (7547160000).

Almost surely, 2103388482421 is an apocalyptic number.

It is an amenable number.

103388482421 is a deficient number, since it is larger than the sum of its proper divisors (17366077579).

103388482421 is an frugal number, since it uses more digits than its factorization.

103388482421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462273 (or 462259 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 103388482421 in words is "one hundred three billion, three hundred eighty-eight million, four hundred eighty-two thousand, four hundred twenty-one".

Divisors: 1 7 49 343 653 4571 31997 223979 461599 3231193 22618351 158328457 301424147 2109969029 14769783203 103388482421