Search a number
-
+
88947642498 = 231113103668581
BaseRepresentation
bin101001011010110110…
…0010101000010000010
322111120220200102000120
41102311230111002002
52424131044024443
6104510104401110
76266130325611
oct1226554250202
9274526612016
1088947642498
11347a4697350
12152a4476196
138506ab2930
14443b241878
1524a8ca7083
hex14b5b15082

88947642498 has 32 divisors (see below), whose sum is σ = 208995861312. Its totient is φ = 24880459200.

The previous prime is 88947642491. The next prime is 88947642533. The reversal of 88947642498 is 89424674988.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88947642491) 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, 51833433 + ... + 51835148.

It is an arithmetic number, because the mean of its divisors is an integer number (6531120666).

Almost surely, 288947642498 is an apocalyptic number.

88947642498 is an abundant number, since it is smaller than the sum of its proper divisors (120048218814).

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

88947642498 is a wasteful number, since it uses less digits than its factorization.

88947642498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103668610.

The product of its digits is 222953472, while the sum is 69.

It can be divided in two parts, 88947 and 642498, that added together give a triangular number (731445 = T1209).

The spelling of 88947642498 in words is "eighty-eight billion, nine hundred forty-seven million, six hundred forty-two thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 103668581 207337162 311005743 622011486 1140354391 1347691553 2280708782 2695383106 3421063173 4043074659 6842126346 8086149318 14824607083 29649214166 44473821249 88947642498