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29480740261 = 773201728603
BaseRepresentation
bin11011011101001100…
…000110010110100101
32211002120012202220221
4123131030012112211
5440334032142021
621313202324341
72062363105030
oct333514062645
984076182827
1029480740261
1111559122555
1258690596b1
132a1a92880b
1415d94bc017
15b78259241
hex6dd3065a5

29480740261 has 16 divisors (see below), whose sum is σ = 34171940224. Its totient is φ = 24909825024.

The previous prime is 29480740249. The next prime is 29480740321. The reversal of 29480740261 is 16204708492.

It is not a de Polignac number, because 29480740261 - 211 = 29480738213 is a prime.

It is a super-2 number, since 2×294807402612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29480740361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1016386 + ... + 1044988.

It is an arithmetic number, because the mean of its divisors is an integer number (2135746264).

Almost surely, 229480740261 is an apocalyptic number.

It is an amenable number.

29480740261 is a deficient number, since it is larger than the sum of its proper divisors (4691199963).

29480740261 is a wasteful number, since it uses less digits than its factorization.

29480740261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30700.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 29480740261 in words is "twenty-nine billion, four hundred eighty million, seven hundred forty thousand, two hundred sixty-one".

Divisors: 1 7 73 511 2017 14119 28603 147241 200221 1030687 2088019 14616133 57692251 403845757 4211534323 29480740261