Search a number
-
+
102553099 = 119323009
BaseRepresentation
bin1100001110011…
…01011000001011
321010222020101221
412013031120023
5202223144344
614102022511
72353454425
oct607153013
9233866357
10102553099
1152985730
122a417a37
131832890c
14d897815
15900b184
hex61cd60b

102553099 has 4 divisors (see below), whose sum is σ = 111876120. Its totient is φ = 93230080.

The previous prime is 102553097. The next prime is 102553109. The reversal of 102553099 is 990355201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990355201 = 1190032291.

It is a cyclic number.

It is not a de Polignac number, because 102553099 - 21 = 102553097 is a prime.

It is a super-2 number, since 2×1025530992 = 21034276229007602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102553097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4661494 + ... + 4661515.

It is an arithmetic number, because the mean of its divisors is an integer number (27969030).

Almost surely, 2102553099 is an apocalyptic number.

102553099 is a deficient number, since it is larger than the sum of its proper divisors (9323021).

102553099 is an equidigital number, since it uses as much as digits as its factorization.

102553099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323020.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 102553099 is about 10126.8503988160. The cubic root of 102553099 is about 468.0758804447.

The spelling of 102553099 in words is "one hundred two million, five hundred fifty-three thousand, ninety-nine".

Divisors: 1 11 9323009 102553099