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102210102097 = 131780229787
BaseRepresentation
bin101111100110000110…
…0100110001101010001
3100202211012100011100221
41133030030212031101
53133311241231342
6114542113113041
710245601350565
oct1371414461521
9322735304327
10102210102097
113a38aa35564
1217985b58781
13983b66a26c
144d387ab6a5
1529d329ea67
hex17cc326351

102210102097 has 4 divisors (see below), whose sum is σ = 102990332016. Its totient is φ = 101429872180.

The previous prime is 102210102073. The next prime is 102210102101. The reversal of 102210102097 is 790201012201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 790201012201 = 1432435516507.

It is a cyclic number.

It is not a de Polignac number, because 102210102097 - 235 = 67850363729 is a prime.

It is a super-3 number, since 3×1022101020973 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102210102997) 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, 390114763 + ... + 390115024.

It is an arithmetic number, because the mean of its divisors is an integer number (25747583004).

Almost surely, 2102210102097 is an apocalyptic number.

It is an amenable number.

102210102097 is a deficient number, since it is larger than the sum of its proper divisors (780229919).

102210102097 is an equidigital number, since it uses as much as digits as its factorization.

102210102097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780229918.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 102210102097 its reverse (790201012201), we get a palindrome (892411114298).

The spelling of 102210102097 in words is "one hundred two billion, two hundred ten million, one hundred two thousand, ninety-seven".

Divisors: 1 131 780229787 102210102097