Search a number
-
+
29404767231 = 3371031510493
BaseRepresentation
bin11011011000101010…
…010010001111111111
32210220021020221112000
4123120222102033333
5440210110022411
621301450113343
72060451253230
oct333052221777
983807227460
1029404767231
111151a251924
12584771b853
132a07c78368
1415cd383087
15b7174d956
hex6d8a923ff

29404767231 has 32 divisors (see below), whose sum is σ = 50269240320. Its totient is φ = 16639579872.

The previous prime is 29404767211. The next prime is 29404767319. The reversal of 29404767231 is 13276740492.

29404767231 is a `hidden beast` number, since 2 + 9 + 404 + 7 + 6 + 7 + 231 = 666.

It is not a de Polignac number, because 29404767231 - 211 = 29404765183 is a prime.

It is a super-2 number, since 2×294047672312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29404767211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735780 + ... + 774713.

It is an arithmetic number, because the mean of its divisors is an integer number (1570913760).

Almost surely, 229404767231 is an apocalyptic number.

29404767231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

29404767231 is a deficient number, since it is larger than the sum of its proper divisors (20864473089).

29404767231 is a wasteful number, since it uses less digits than its factorization.

29404767231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510612 (or 1510606 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 29404767231 in words is "twenty-nine billion, four hundred four million, seven hundred sixty-seven thousand, two hundred thirty-one".

Divisors: 1 3 7 9 21 27 63 103 189 309 721 927 2163 2781 6489 19467 1510493 4531479 10573451 13594437 31720353 40783311 95161059 155580779 285483177 466742337 1089065453 1400227011 3267196359 4200681033 9801589077 29404767231