Search a number
-
+
73389215969 = 139691764081
BaseRepresentation
bin100010001011001010…
…1101001000011100001
321000102121202110010222
41010112111221003201
52200300114402334
653414201332425
75205440020526
oct1042625510341
9230377673128
1073389215969
1129140332203
1212281a97115
136bc7665aa4
1437a2bb714d
151d97e37d2e
hex11165690e1

73389215969 has 8 divisors (see below), whose sum is σ = 74024264160. Its totient is φ = 72755697600.

The previous prime is 73389215899. The next prime is 73389215987. The reversal of 73389215969 is 96951298337.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73389215969 - 236 = 4669739233 is a prime.

It is a super-2 number, since 2×733892159692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73389215989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285992 + ... + 478089.

It is an arithmetic number, because the mean of its divisors is an integer number (9253033020).

Almost surely, 273389215969 is an apocalyptic number.

It is an amenable number.

73389215969 is a deficient number, since it is larger than the sum of its proper divisors (635048191).

73389215969 is a wasteful number, since it uses less digits than its factorization.

73389215969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764911.

The product of its digits is 22044960, while the sum is 62.

The spelling of 73389215969 in words is "seventy-three billion, three hundred eighty-nine million, two hundred fifteen thousand, nine hundred sixty-nine".

Divisors: 1 139 691 96049 764081 106207259 527979971 73389215969