Search a number
-
+
102882108071 = 293547658899
BaseRepresentation
bin101111111010001000…
…0000110001010100111
3100211120000211121021002
41133310100012022213
53141200304424241
6115132520343515
710301341326641
oct1376420061247
9324500747232
10102882108071
113a6a52a45a6
1217b33014b9b
139917957732
144d9db39891
152a2229289b
hex17f44062a7

102882108071 has 4 divisors (see below), whose sum is σ = 106429767000. Its totient is φ = 99334449144.

The previous prime is 102882108047. The next prime is 102882108083. The reversal of 102882108071 is 170801288201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170801288201 = 1066316018127.

It is a cyclic number.

It is not a de Polignac number, because 102882108071 - 234 = 85702238887 is a prime.

It is a super-2 number, since 2×1028821080712 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102882108001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773829421 + ... + 1773829478.

It is an arithmetic number, because the mean of its divisors is an integer number (26607441750).

Almost surely, 2102882108071 is an apocalyptic number.

102882108071 is a deficient number, since it is larger than the sum of its proper divisors (3547658929).

102882108071 is an equidigital number, since it uses as much as digits as its factorization.

102882108071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547658928.

The product of its (nonzero) digits is 14336, while the sum is 38.

The spelling of 102882108071 in words is "one hundred two billion, eight hundred eighty-two million, one hundred eight thousand, seventy-one".

Divisors: 1 29 3547658899 102882108071