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11202001993 = 7133111335141
BaseRepresentation
bin10100110111011000…
…01111110001001001
31001220200112122212201
422123230033301021
5140420203030433
65051321440201
7544411305640
oct123354176111
931820478781
1011202001993
114829268996
122207640061
131096a32c60
14783a54357
15458691a7d
hex29bb0fc49

11202001993 has 32 divisors (see below), whose sum is σ = 14358177792. Its totient is φ = 8501068800.

The previous prime is 11202001991. The next prime is 11202002047. The reversal of 11202001993 is 39910020211.

It is not a de Polignac number, because 11202001993 - 21 = 11202001991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11202001991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301203 + ... + 336343.

It is an arithmetic number, because the mean of its divisors is an integer number (448693056).

Almost surely, 211202001993 is an apocalyptic number.

11202001993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11202001993 is a deficient number, since it is larger than the sum of its proper divisors (3156175799).

11202001993 is a wasteful number, since it uses less digits than its factorization.

11202001993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35305.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 11202001993 in words is "eleven billion, two hundred two million, one thousand, nine hundred ninety-three".

Divisors: 1 7 13 31 91 113 217 403 791 1469 2821 3503 10283 24521 35141 45539 245987 318773 456833 1089371 3197831 3970933 7625597 14161823 27796531 51622129 99132761 123098923 361354903 861692461 1600285999 11202001993