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93803864380 = 22513734234987
BaseRepresentation
bin101011101011100100…
…1010110000100111100
322222010100112001002021
41113113021112010330
53014102242130010
6111032022205524
76530355456112
oct1272711260474
9288110461067
1093803864380
1136866921766
121621a8838a4
138acbc105c5
14477c197ab2
1526902ac8da
hex15d725613c

93803864380 has 24 divisors (see below), whose sum is σ = 198425990448. Its totient is φ = 37247664768.

The previous prime is 93803864327. The next prime is 93803864383. The reversal of 93803864380 is 8346830839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93803864383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17114754 + ... + 17120233.

It is an arithmetic number, because the mean of its divisors is an integer number (8267749602).

Almost surely, 293803864380 is an apocalyptic number.

It is an amenable number.

93803864380 is an abundant number, since it is smaller than the sum of its proper divisors (104622126068).

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

93803864380 is a wasteful number, since it uses less digits than its factorization.

93803864380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34235133 (or 34235131 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 93803864380 in words is "ninety-three billion, eight hundred three million, eight hundred sixty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 34234987 68469974 136939948 171174935 342349870 684699740 4690193219 9380386438 18760772876 23450966095 46901932190 93803864380