Search a number
-
+
88890430293 = 33713119118797
BaseRepresentation
bin101001011001001001…
…0000101001101010101
322111102221000201122000
41102302102011031111
52424021422232133
6104500302225513
76264534122310
oct1226222051525
9274387021560
1088890430293
113477536aa35
1215289285299
1384c7ca0862
1444337cb977
1524a3c55413
hex14b2485355

88890430293 has 64 divisors (see below), whose sum is σ = 152453283840. Its totient is φ = 50140209600.

The previous prime is 88890430267. The next prime is 88890430303. The reversal of 88890430293 is 39203409888.

It is a happy number.

It is not a de Polignac number, because 88890430293 - 221 = 88888333141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88890430693) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4719571 + ... + 4738367.

It is an arithmetic number, because the mean of its divisors is an integer number (2382082560).

Almost surely, 288890430293 is an apocalyptic number.

It is an amenable number.

88890430293 is a deficient number, since it is larger than the sum of its proper divisors (63562853547).

88890430293 is a wasteful number, since it uses less digits than its factorization.

88890430293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19135 (or 19129 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 88890430293 in words is "eighty-eight billion, eight hundred ninety million, four hundred thirty thousand, two hundred ninety-three".

Divisors: 1 3 7 9 21 27 63 131 189 191 393 573 917 1179 1337 1719 2751 3537 4011 5157 8253 12033 18797 24759 25021 36099 56391 75063 131579 169173 175147 225189 394737 507519 525441 675567 1184211 1576323 2462407 3552633 3590227 4728969 7387221 10770681 17236849 22161663 25131589 32312043 51710547 66484989 75394767 96936129 155131641 226184301 465394923 470319737 678552903 1410959211 3292238159 4232877633 9876714477 12698632899 29630143431 88890430293