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918190910001 = 32909715114713
BaseRepresentation
bin11010101110010000111…
…00010110101000110001
310020210000022012001112210
431113020130112220301
5110020423333110001
61541451105442333
7123223424650401
oct15271034265061
93223008161483
10918190910001
11324447916812
12129b503403a9
136877b410391
143262530a801
1518d3e545dd6
hexd5c8716a31

918190910001 has 16 divisors (see below), whose sum is σ = 1224929905920. Its totient is φ = 611789692800.

The previous prime is 918190909991. The next prime is 918190910027. The reversal of 918190910001 is 100019091819.

It is not a de Polignac number, because 918190910001 - 25 = 918190909969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (918190910081) 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 15 ways as a sum of consecutive naturals, for example, 62399421 + ... + 62414133.

It is an arithmetic number, because the mean of its divisors is an integer number (76558119120).

Almost surely, 2918190910001 is an apocalyptic number.

It is an amenable number.

918190910001 is a deficient number, since it is larger than the sum of its proper divisors (306738995919).

918190910001 is a wasteful number, since it uses less digits than its factorization.

918190910001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24776.

The product of its (nonzero) digits is 5832, while the sum is 39.

The spelling of 918190910001 in words is "nine hundred eighteen billion, one hundred ninety million, nine hundred ten thousand, one".

Divisors: 1 3 2909 7151 8727 14713 21453 44139 20802259 42800117 62406777 105212663 128400351 315637989 306063636667 918190910001