Search a number
-
+
47156314669 is a prime number
BaseRepresentation
bin101011111010101111…
…000100001000101101
311111201101220222200221
4223322233010020231
51233034004032134
633355135251341
73256402026652
oct537257041055
9144641828627
1047156314669
1118aa9568192
129180679b51
1345a6888699
1423d4bb7c29
15135edcb5b4
hexafabc422d

47156314669 has 2 divisors, whose sum is σ = 47156314670. Its totient is φ = 47156314668.

The previous prime is 47156314657. The next prime is 47156314703. The reversal of 47156314669 is 96641365174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41102696644 + 6053618025 = 202738^2 + 77805^2 .

It is a cyclic number.

It is not a de Polignac number, because 47156314669 - 233 = 38566380077 is a prime.

It is a super-2 number, since 2×471563146692 (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 (47156318669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23578157334 + 23578157335.

It is an arithmetic number, because the mean of its divisors is an integer number (23578157335).

Almost surely, 247156314669 is an apocalyptic number.

It is an amenable number.

47156314669 is a deficient number, since it is larger than the sum of its proper divisors (1).

47156314669 is an equidigital number, since it uses as much as digits as its factorization.

47156314669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The spelling of 47156314669 in words is "forty-seven billion, one hundred fifty-six million, three hundred fourteen thousand, six hundred sixty-nine".