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30988167541 is a prime number
BaseRepresentation
bin11100110111000010…
…011110100101110101
32221222121201000101221
4130313002132211311
51001430432330131
622122531550341
72144626035532
oct346702364565
987877630357
1030988167541
1112162015a21
126009a5b3b1
132bcb01b616
1416dd795d89
15c1576e411
hex73709e975

30988167541 has 2 divisors, whose sum is σ = 30988167542. Its totient is φ = 30988167540.

The previous prime is 30988167499. The next prime is 30988167547. The reversal of 30988167541 is 14576188903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26725383441 + 4262784100 = 163479^2 + 65290^2 .

It is a cyclic number.

It is not a de Polignac number, because 30988167541 - 215 = 30988134773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30988167547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15494083770 + 15494083771.

It is an arithmetic number, because the mean of its divisors is an integer number (15494083771).

Almost surely, 230988167541 is an apocalyptic number.

It is an amenable number.

30988167541 is a deficient number, since it is larger than the sum of its proper divisors (1).

30988167541 is an equidigital number, since it uses as much as digits as its factorization.

30988167541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 30988167541 in words is "thirty billion, nine hundred eighty-eight million, one hundred sixty-seven thousand, five hundred forty-one".