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12419329888 = 257275710463
BaseRepresentation
bin10111001000011111…
…11110111101100000
31012001112011022211001
423210033332331200
5200413322024023
65412205201344
7616522363600
oct134417767540
935045138731
1012419329888
1152a342a3a9
1224a7260254
13122bcb3514
1485b5b4c00
154ca4a16ad
hex2e43fef60

12419329888 has 72 divisors (see below), whose sum is σ = 28482777792. Its totient is φ = 5315030784.

The previous prime is 12419329859. The next prime is 12419329919. The reversal of 12419329888 is 88892391421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1181745 + ... + 1192207.

It is an arithmetic number, because the mean of its divisors is an integer number (395594136).

Almost surely, 212419329888 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 12419329888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14241388896).

12419329888 is an abundant number, since it is smaller than the sum of its proper divisors (16063447904).

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

12419329888 is a wasteful number, since it uses less digits than its factorization.

12419329888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244 (or 11229 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 55.

The spelling of 12419329888 in words is "twelve billion, four hundred nineteen million, three hundred twenty-nine thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 757 784 1514 1568 3028 5299 6056 10463 10598 12112 20926 21196 24224 37093 41852 42392 73241 74186 83704 84784 146482 148372 167408 169568 292964 296744 334816 512687 585928 593488 1025374 1171856 1186976 2050748 2343712 4101496 7920491 8202992 15840982 16405984 31681964 55443437 63363928 110886874 126727856 221773748 253455712 388104059 443547496 776208118 887094992 1552416236 1774189984 3104832472 6209664944 12419329888