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107870487181 is a prime number
BaseRepresentation
bin110010001110110010…
…1010000001010001101
3101022102200100111221221
41210131211100022031
53231404321042211
6121315514523341
710536063004162
oct1443545201215
9338380314857
10107870487181
1141825094666
1218aa5736551
13a231277a52
145314454069
152c151a0c71
hex191d95028d

107870487181 has 2 divisors, whose sum is σ = 107870487182. Its totient is φ = 107870487180.

The previous prime is 107870487169. The next prime is 107870487199. The reversal of 107870487181 is 181784078701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59272284681 + 48598202500 = 243459^2 + 220450^2 .

It is a cyclic number.

It is not a de Polignac number, because 107870487181 - 211 = 107870485133 is a prime.

It is a super-2 number, since 2×1078704871812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107870487281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53935243590 + 53935243591.

It is an arithmetic number, because the mean of its divisors is an integer number (53935243591).

Almost surely, 2107870487181 is an apocalyptic number.

It is an amenable number.

107870487181 is a deficient number, since it is larger than the sum of its proper divisors (1).

107870487181 is an equidigital number, since it uses as much as digits as its factorization.

107870487181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 702464, while the sum is 52.

The spelling of 107870487181 in words is "one hundred seven billion, eight hundred seventy million, four hundred eighty-seven thousand, one hundred eighty-one".