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13550223434 = 211615919247
BaseRepresentation
bin11001001111010100…
…00000000001001010
31021222100010200010012
430213222000001022
5210222324122214
610120324151522
7656533666406
oct144752000112
937870120105
1013550223434
115823825470
122761b385a2
13137c38cab7
14927876106
155448db03e
hex327a8004a

13550223434 has 8 divisors (see below), whose sum is σ = 22173092928. Its totient is φ = 6159192460.

The previous prime is 13550223431. The next prime is 13550223437. The reversal of 13550223434 is 43432205531.

It is an interprime number because it is at equal distance from previous prime (13550223431) and next prime (13550223437).

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

It is a super-2 number, since 2×135502234342 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13550223434.

It is not an unprimeable number, because it can be changed into a prime (13550223431) 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, 307959602 + ... + 307959645.

It is an arithmetic number, because the mean of its divisors is an integer number (2771636616).

Almost surely, 213550223434 is an apocalyptic number.

13550223434 is a deficient number, since it is larger than the sum of its proper divisors (8622869494).

13550223434 is a wasteful number, since it uses less digits than its factorization.

13550223434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615919260.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 13550223434 its reverse (43432205531), we get a palindrome (56982428965).

The spelling of 13550223434 in words is "thirteen billion, five hundred fifty million, two hundred twenty-three thousand, four hundred thirty-four".

Divisors: 1 2 11 22 615919247 1231838494 6775111717 13550223434