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93816987001 = 972371407923
BaseRepresentation
bin101011101011111101…
…1011001110101111001
322222011021012201221021
41113113323121311321
53014114122041001
6111033211342441
76530605142353
oct1272773316571
9288137181837
1093816987001
1136873274a01
1216223151a21
138b0185657a
14477dc120d3
152691500ba1
hex15d7ed9d79

93816987001 has 8 divisors (see below), whose sum is σ = 94824381344. Its totient is φ = 92810413440.

The previous prime is 93816986987. The next prime is 93816987053. The reversal of 93816987001 is 10078961839.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 93816987001 - 221 = 93814889849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93816987001.

It is not an unprimeable number, because it can be changed into a prime (93816987601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26026 + ... + 433948.

It is an arithmetic number, because the mean of its divisors is an integer number (11853047668).

Almost surely, 293816987001 is an apocalyptic number.

It is an amenable number.

93816987001 is a deficient number, since it is larger than the sum of its proper divisors (1007394343).

93816987001 is a wasteful number, since it uses less digits than its factorization.

93816987001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410391.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 93816987001 in words is "ninety-three billion, eight hundred sixteen million, nine hundred eighty-seven thousand, one".

Divisors: 1 97 2371 229987 407923 39568531 967185433 93816987001