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29779841044 = 2273658115497
BaseRepresentation
bin11011101111000001…
…000101000000010100
32211212102000200001201
4123233001011000110
5441442114403134
621403005202244
72102654321002
oct335701050024
984772020051
1029779841044
11116a1a42388
125931260384
132a678a0225
1416270d9a72
15b9463b914
hex6ef045014

29779841044 has 24 divisors (see below), whose sum is σ = 52840059048. Its totient is φ = 14682769920.

The previous prime is 29779841041. The next prime is 29779841081. The reversal of 29779841044 is 44014897792.

It can be written as a sum of positive squares in 4 ways, for example, as 9319971600 + 20459869444 = 96540^2 + 143038^2 .

It is a super-3 number, since 3×297798410443 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29779841041) 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, 1913904 + ... + 1929400.

It is an arithmetic number, because the mean of its divisors is an integer number (2201669127).

Almost surely, 229779841044 is an apocalyptic number.

It is an amenable number.

29779841044 is a deficient number, since it is larger than the sum of its proper divisors (23060218004).

29779841044 is a wasteful number, since it uses less digits than its factorization.

29779841044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22155 (or 22153 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 29779841044 in words is "twenty-nine billion, seven hundred seventy-nine million, eight hundred forty-one thousand, forty-four".

Divisors: 1 2 4 73 146 292 6581 13162 15497 26324 30994 61988 480413 960826 1131281 1921652 2262562 4525124 101985757 203971514 407943028 7444960261 14889920522 29779841044