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60671538642 = 231113155345533
BaseRepresentation
bin111000100000010011…
…100011010111010010
312210121022012111120210
4320200103203113102
51443223403214032
643512213344550
74245332366211
oct704023432722
9183538174523
1060671538642
1123804557a80
12b912938156
13594b912a30
142d17b3d078
1518a16a22cc
hexe204e35d2

60671538642 has 64 divisors (see below), whose sum is σ = 142651829376. Its totient is φ = 16959759360.

The previous prime is 60671538637. The next prime is 60671538649. The reversal of 60671538642 is 24683517606.

It is a junction number, because it is equal to n+sod(n) for n = 60671538591 and 60671538600.

It is not an unprimeable number, because it can be changed into a prime (60671538649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1309708 + ... + 1355240.

It is an arithmetic number, because the mean of its divisors is an integer number (2228934834).

Almost surely, 260671538642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60671538642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71325914688).

60671538642 is an abundant number, since it is smaller than the sum of its proper divisors (81980290734).

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

60671538642 is a wasteful number, since it uses less digits than its factorization.

60671538642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47115.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 60671538642 in words is "sixty billion, six hundred seventy-one million, five hundred thirty-eight thousand, six hundred forty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 1553 3106 4659 9318 17083 20189 34166 40378 45533 51249 60567 91066 102498 121134 136599 222079 273198 444158 500863 591929 666237 1001726 1183858 1332474 1502589 1775787 3005178 3551574 6511219 13022438 19533657 39067314 70712749 141425498 212138247 424276494 777840239 919265737 1555680478 1838531474 2333520717 2757797211 4667041434 5515594422 10111923107 20223846214 30335769321 60671538642