Search a number
-
+
87276952015493 is a prime number
BaseRepresentation
bin10011110110000010111111…
…101110001101001010000101
3102110000121001211220002210112
4103312002333232031022011
542414421144203443433
6505342251145002405
724245360142512132
oct2366027756151205
9373017054802715
1087276952015493
1125899a4711a8a9
129956a36783405
1339912482c9396
14177a326d0d589
15a154191a9348
hex4f60bfb8d285

87276952015493 has 2 divisors, whose sum is σ = 87276952015494. Its totient is φ = 87276952015492.

The previous prime is 87276952015469. The next prime is 87276952015499. The reversal of 87276952015493 is 39451025967278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71074982637604 + 16201969377889 = 8430598^2 + 4025167^2 .

It is a cyclic number.

It is not a de Polignac number, because 87276952015493 - 232 = 87272657048197 is a prime.

It is a super-2 number, since 2×872769520154932 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87276952015499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43638476007746 + 43638476007747.

It is an arithmetic number, because the mean of its divisors is an integer number (43638476007747).

It is a 1-persistent number, because it is pandigital, but 2⋅87276952015493 = 174553904030986 is not.

Almost surely, 287276952015493 is an apocalyptic number.

It is an amenable number.

87276952015493 is a deficient number, since it is larger than the sum of its proper divisors (1).

87276952015493 is an equidigital number, since it uses as much as digits as its factorization.

87276952015493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 228614400, while the sum is 68.

The spelling of 87276952015493 in words is "eighty-seven trillion, two hundred seventy-six billion, nine hundred fifty-two million, fifteen thousand, four hundred ninety-three".