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88485540011 = 1116764774449
BaseRepresentation
bin101001001101000100…
…1100011000010101011
322110101201011011120122
41102122021203002223
52422204244240021
6104352200113455
76251516452211
oct1223211430253
9273351134518
1088485540011
1134587864970
121519576588b
1384621393cb
1443d5b12cb1
15247d427bab
hex149a2630ab

88485540011 has 16 divisors (see below), whose sum is σ = 97259097600. Its totient is φ = 79835057280.

The previous prime is 88485539963. The next prime is 88485540019. The reversal of 88485540011 is 11004558488.

It is not a de Polignac number, because 88485540011 - 214 = 88485523627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88485540019) 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, 1151315 + ... + 1225763.

It is an arithmetic number, because the mean of its divisors is an integer number (6078693600).

Almost surely, 288485540011 is an apocalyptic number.

88485540011 is a deficient number, since it is larger than the sum of its proper divisors (8773557589).

88485540011 is a wasteful number, since it uses less digits than its factorization.

88485540011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75274.

The product of its (nonzero) digits is 204800, while the sum is 44.

The spelling of 88485540011 in words is "eighty-eight billion, four hundred eighty-five million, five hundred forty thousand, eleven".

Divisors: 1 11 167 647 1837 7117 74449 108049 818939 1188539 12432983 48168503 136762813 529853533 8044140001 88485540011