Search a number
-
+
29683338240 = 21035171931193
BaseRepresentation
bin11011101001010000…
…111100110000000000
32211121200102211002210
4123221100330300000
5441242413310430
621345240542120
72100403132503
oct335120746000
984550384083
1029683338240
111165251a3a6
125904a81940
132a508b248a
14161837913a
15b8ae282b0
hex6e943cc00

29683338240 has 704 divisors, whose sum is σ = 109795184640. Its totient is φ = 6794772480.

The previous prime is 29683338227. The next prime is 29683338253. The reversal of 29683338240 is 4283338692.

It is an interprime number because it is at equal distance from previous prime (29683338227) and next prime (29683338253).

It is a super-2 number, since 2×296833382402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 29683338240.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153799584 + ... + 153799776.

Almost surely, 229683338240 is an apocalyptic number.

29683338240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29683338240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54897592320).

29683338240 is an abundant number, since it is smaller than the sum of its proper divisors (80111846400).

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

29683338240 is a wasteful number, since it uses less digits than its factorization.

29683338240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 29683338240 in words is "twenty-nine billion, six hundred eighty-three million, three hundred thirty-eight thousand, two hundred forty".