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12550473712 = 2471919133083
BaseRepresentation
bin10111011000001000…
…10000011111110000
31012101122221010022201
423230010100133300
5201200410124322
65433212112544
7623004160240
oct135404203760
935348833281
1012550473712
115360462727
122523165754
13125020c80a
14870b91b20
154d6c58d27
hex2ec1107f0

12550473712 has 80 divisors (see below), whose sum is σ = 29277768960. Its totient is φ = 5091365376.

The previous prime is 12550473671. The next prime is 12550473757. The reversal of 12550473712 is 21737405521.

It is a congruent number.

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, 4069323 + ... + 4072405.

It is an arithmetic number, because the mean of its divisors is an integer number (365972112).

Almost surely, 212550473712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12550473712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14638884480).

12550473712 is an abundant number, since it is smaller than the sum of its proper divisors (16727295248).

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

12550473712 is a wasteful number, since it uses less digits than its factorization.

12550473712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030 (or 5024 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 12550473712 in words is "twelve billion, five hundred fifty million, four hundred seventy-three thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 1913 2128 3083 3826 6166 7652 12332 13391 15304 21581 24664 26782 30608 36347 43162 49328 53564 58577 72694 86324 107128 117154 145388 172648 214256 234308 254429 290776 345296 410039 468616 508858 581552 820078 937232 1017716 1640156 2035432 3280312 4070864 5897779 6560624 11795558 23591116 41284453 47182232 82568906 94364464 112057801 165137812 224115602 330275624 448231204 660551248 784404607 896462408 1568809214 1792924816 3137618428 6275236856 12550473712