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12103052424 = 233823761223
BaseRepresentation
bin10110100010110010…
…11110110010001000
31011020111000202200220
423101121132302020
5144241340134144
65320550230040
7605632151061
oct132131366210
934214022626
1012103052424
115150948471
122419355320
1311ab6067a8
1482b5a5568
154ac829919
hex2d165ec88

12103052424 has 32 divisors (see below), whose sum is σ = 30261798720. Its totient is φ = 4033795136.

The previous prime is 12103052419. The next prime is 12103052431. The reversal of 12103052424 is 42425030121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12103052394 and 12103052403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167077 + ... + 228299.

It is an arithmetic number, because the mean of its divisors is an integer number (945681210).

Almost surely, 212103052424 is an apocalyptic number.

It is an amenable number.

12103052424 is an abundant number, since it is smaller than the sum of its proper divisors (18158746296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12103052424 is a wasteful number, since it uses less digits than its factorization.

12103052424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69469 (or 69465 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12103052424 its reverse (42425030121), we get a palindrome (54528082545).

The spelling of 12103052424 in words is "twelve billion, one hundred three million, fifty-two thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 8237 16474 24711 32948 49422 61223 65896 98844 122446 183669 197688 244892 367338 489784 734676 1469352 504293851 1008587702 1512881553 2017175404 3025763106 4034350808 6051526212 12103052424