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12113021032 = 237216303947
BaseRepresentation
bin10110100011111111…
…00000100001101000
31011021011210020001121
423101333200201220
5144301413133112
65321544025024
7606112660060
oct132177404150
934234706047
1012113021032
115156536a92
122420762174
1311b06b6c88
1482ca3c3a0
154ad648407
hex2d1fe0868

12113021032 has 16 divisors (see below), whose sum is σ = 25956473760. Its totient is φ = 5191294704.

The previous prime is 12113021029. The next prime is 12113021059. The reversal of 12113021032 is 23012031121.

It is a junction number, because it is equal to n+sod(n) for n = 12113020997 and 12113021015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108151918 + ... + 108152029.

It is an arithmetic number, because the mean of its divisors is an integer number (1622279610).

Almost surely, 212113021032 is an apocalyptic number.

It is an amenable number.

12113021032 is an abundant number, since it is smaller than the sum of its proper divisors (13843452728).

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

12113021032 is a wasteful number, since it uses less digits than its factorization.

12113021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216303960 (or 216303956 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12113021032 its reverse (23012031121), we get a palindrome (35125052153).

The spelling of 12113021032 in words is "twelve billion, one hundred thirteen million, twenty-one thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 216303947 432607894 865215788 1514127629 1730431576 3028255258 6056510516 12113021032