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29761306136 = 23231071511647
BaseRepresentation
bin11011101101111010…
…010111111000011000
32211211010010222221122
4123231322113320120
5441422343244021
621401104024412
72102340633242
oct335572277030
984733128848
1029761306136
1111692532881
125927002108
132a63ab0923
141624873092
15b92bc9bab
hex6ede97e18

29761306136 has 32 divisors (see below), whose sum is σ = 58772874240. Its totient is φ = 14100633888.

The previous prime is 29761306087. The next prime is 29761306151. The reversal of 29761306136 is 63160316792.

It is a happy number.

It is a super-2 number, since 2×297613061362 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736136 + ... + 775511.

It is an arithmetic number, because the mean of its divisors is an integer number (1836652320).

Almost surely, 229761306136 is an apocalyptic number.

It is an amenable number.

29761306136 is a deficient number, since it is larger than the sum of its proper divisors (29011568104).

29761306136 is a wasteful number, since it uses less digits than its factorization.

29761306136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511783 (or 1511779 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 29761306136 in words is "twenty-nine billion, seven hundred sixty-one million, three hundred six thousand, one hundred thirty-six".

Divisors: 1 2 4 8 23 46 92 107 184 214 428 856 2461 4922 9844 19688 1511647 3023294 6046588 12093176 34767881 69535762 139071524 161746229 278143048 323492458 646984916 1293969832 3720163267 7440326534 14880653068 29761306136