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12471345024 = 273193168277
BaseRepresentation
bin10111001110101100…
…11001111110000000
31012012011000222011120
423213112121332000
5201020131020044
65421304112240
7621023453325
oct134726317600
935164028146
1012471345024
11531a827116
122500765680
1312399c5bc8
14864474b4c
154ced28519
hex2e7599f80

12471345024 has 64 divisors (see below), whose sum is σ = 33298850640. Its totient is φ = 4135550976.

The previous prime is 12471345013. The next prime is 12471345119. The reversal of 12471345024 is 42054317421.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 10027 + ... + 158250.

Almost surely, 212471345024 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 12471345024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16649425320).

12471345024 is an abundant number, since it is smaller than the sum of its proper divisors (20827505616).

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

12471345024 is a wasteful number, since it uses less digits than its factorization.

12471345024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168487 (or 168475 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 12471345024 in words is "twelve billion, four hundred seventy-one million, three hundred forty-five thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 193 384 386 579 772 1158 1544 2316 3088 4632 6176 9264 12352 18528 24704 37056 74112 168277 336554 504831 673108 1009662 1346216 2019324 2692432 4038648 5384864 8077296 10769728 16154592 21539456 32309184 32477461 64618368 64954922 97432383 129909844 194864766 259819688 389729532 519639376 779459064 1039278752 1558918128 2078557504 3117836256 4157115008 6235672512 12471345024