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12923432004 = 2237236689147
BaseRepresentation
bin11000000100100101…
…11110110001000100
31020100122201100220210
430002102332301010
5202431344311004
65534213555420
7635153234220
oct140222766104
936318640823
1012923432004
115531a3881a
122608045b70
1312ac5737b2
148a8517780
1550987a089
hex3024bec44

12923432004 has 48 divisors (see below), whose sum is σ = 35960859648. Its totient is φ = 3531869088.

The previous prime is 12923431957. The next prime is 12923432059. The reversal of 12923432004 is 40023432921.

It is a super-2 number, since 2×129234320042 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3342642 + ... + 3346505.

It is an arithmetic number, because the mean of its divisors is an integer number (749184576).

Almost surely, 212923432004 is an apocalyptic number.

12923432004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12923432004 is an abundant number, since it is smaller than the sum of its proper divisors (23037427644).

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

12923432004 is a wasteful number, since it uses less digits than its factorization.

12923432004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6689184 (or 6689182 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 12923432004 its reverse (40023432921), we get a palindrome (52946864925).

The spelling of 12923432004 in words is "twelve billion, nine hundred twenty-three million, four hundred thirty-two thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 276 322 483 644 966 1932 6689147 13378294 20067441 26756588 40134882 46824029 80269764 93648058 140472087 153850381 187296116 280944174 307700762 461551143 561888348 615401524 923102286 1076952667 1846204572 2153905334 3230858001 4307810668 6461716002 12923432004