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102420404411 = 1337012128747
BaseRepresentation
bin101111101100010111…
…0110101100010111011
3100210100212001121220112
41133120232311202323
53134224110420121
6115015024414535
710254034034063
oct1373056654273
9323325047815
10102420404411
113a488714826
1217a2447744b
1398730c08c0
144d586b23a3
1529e699175b
hex17d8bb58bb

102420404411 has 8 divisors (see below), whose sum is σ = 110328751344. Its totient is φ = 94516322400.

The previous prime is 102420404393. The next prime is 102420404461. The reversal of 102420404411 is 114404024201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102420404411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102420404461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016261 + ... + 1112486.

It is an arithmetic number, because the mean of its divisors is an integer number (13791093918).

Almost surely, 2102420404411 is an apocalyptic number.

102420404411 is a deficient number, since it is larger than the sum of its proper divisors (7908346933).

102420404411 is a wasteful number, since it uses less digits than its factorization.

102420404411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132461.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 102420404411 its reverse (114404024201), we get a palindrome (216824428612).

The spelling of 102420404411 in words is "one hundred two billion, four hundred twenty million, four hundred four thousand, four hundred eleven".

Divisors: 1 13 3701 48113 2128747 27673711 7878492647 102420404411