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29108490617 is a prime number
BaseRepresentation
bin11011000111000000…
…000101000101111001
32210010121202112102002
4123013000011011321
5434103233144432
621212223550345
72050223042063
oct330700050571
983117675362
1029108490617
1111387a90918
12578445b3b5
13298b78225b
1415a1c9c733
15b55727e62
hex6c7005179

29108490617 has 2 divisors, whose sum is σ = 29108490618. Its totient is φ = 29108490616.

The previous prime is 29108490569. The next prime is 29108490647. The reversal of 29108490617 is 71609480192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15729173056 + 13379317561 = 125416^2 + 115669^2 .

It is a cyclic number.

It is not a de Polignac number, because 29108490617 - 234 = 11928621433 is a prime.

It is a super-3 number, since 3×291084906173 (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (29108490647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14554245308 + 14554245309.

It is an arithmetic number, because the mean of its divisors is an integer number (14554245309).

Almost surely, 229108490617 is an apocalyptic number.

It is an amenable number.

29108490617 is a deficient number, since it is larger than the sum of its proper divisors (1).

29108490617 is an equidigital number, since it uses as much as digits as its factorization.

29108490617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 29108490617 in words is "twenty-nine billion, one hundred eight million, four hundred ninety thousand, six hundred seventeen".