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29379124189 is a prime number
BaseRepresentation
bin11011010111001000…
…011101101111011101
32210211111000010212201
4123113020131233131
5440132023433224
621255132331501
72060020302202
oct332710355735
983744003781
1029379124189
1111506827928
12583b013b91
132a0286a56c
1415c9bc9ca9
15b6e385a44
hex6d721dbdd

29379124189 has 2 divisors, whose sum is σ = 29379124190. Its totient is φ = 29379124188.

The previous prime is 29379124169. The next prime is 29379124199. The reversal of 29379124189 is 98142197392.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25982216100 + 3396908089 = 161190^2 + 58283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29379124189 is a prime.

It is a super-2 number, since 2×293791241892 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29379124169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14689562094 + 14689562095.

It is an arithmetic number, because the mean of its divisors is an integer number (14689562095).

Almost surely, 229379124189 is an apocalyptic number.

It is an amenable number.

29379124189 is a deficient number, since it is larger than the sum of its proper divisors (1).

29379124189 is an equidigital number, since it uses as much as digits as its factorization.

29379124189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 55.

The spelling of 29379124189 in words is "twenty-nine billion, three hundred seventy-nine million, one hundred twenty-four thousand, one hundred eighty-nine".