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29106997901 is a prime number
BaseRepresentation
bin11011000110111010…
…011000101010001101
32210010111221200210022
4123012322120222031
5434102342413101
621212131551525
72050204254122
oct330672305215
983114850708
1029106997901
1111387161373
125783a5b5a5
13298b37b9a7
1415a19d0749
15b55530a1b
hex6c6e98a8d

29106997901 has 2 divisors, whose sum is σ = 29106997902. Its totient is φ = 29106997900.

The previous prime is 29106997847. The next prime is 29106997937. The reversal of 29106997901 is 10979960192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22126562500 + 6980435401 = 148750^2 + 83549^2 .

It is a cyclic number.

It is not a de Polignac number, because 29106997901 - 230 = 28033256077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29106937901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14553498950 + 14553498951.

It is an arithmetic number, because the mean of its divisors is an integer number (14553498951).

Almost surely, 229106997901 is an apocalyptic number.

It is an amenable number.

29106997901 is a deficient number, since it is larger than the sum of its proper divisors (1).

29106997901 is an equidigital number, since it uses as much as digits as its factorization.

29106997901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551124, while the sum is 53.

The spelling of 29106997901 in words is "twenty-nine billion, one hundred six million, nine hundred ninety-seven thousand, nine hundred one".