Search a number
-
+
88493702969 = 7231213453133
BaseRepresentation
bin101001001101010100…
…0101011111100111001
322110102021111220001102
41102122220223330321
52422213341443334
6104353051101145
76251646031010
oct1223250537471
9273367456042
1088493702969
113459142a911
12151984417b5
138463a36a69
1443d6c39a77
15247dedb67e
hex149aa2bf39

88493702969 has 16 divisors (see below), whose sum is σ = 105620097792. Its totient is φ = 72493869888.

The previous prime is 88493702897. The next prime is 88493703017. The reversal of 88493702969 is 96920739488.

It is a cyclic number.

It is not a de Polignac number, because 88493702969 - 236 = 19774226233 is a prime.

It is a super-2 number, since 2×884937029692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88493702369) 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, 31274 + ... + 421859.

It is an arithmetic number, because the mean of its divisors is an integer number (6601256112).

Almost surely, 288493702969 is an apocalyptic number.

It is an amenable number.

88493702969 is a deficient number, since it is larger than the sum of its proper divisors (17126394823).

88493702969 is a wasteful number, since it uses less digits than its factorization.

88493702969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454376.

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 88493702969 in words is "eighty-eight billion, four hundred ninety-three million, seven hundred two thousand, nine hundred sixty-nine".

Divisors: 1 7 23 161 1213 8491 27899 195293 453133 3171931 10422059 72954413 549650329 3847552303 12641957567 88493702969