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60421728544 = 2519729713619
BaseRepresentation
bin111000010001011010…
…100110100100100000
312202221220010211112221
4320101122212210200
51442220430303134
643431331200424
74236210134662
oct702132464440
9182856124487
1060421728544
1123696543a51
12b863146114
13590bc388c8
142cd28b2532
1518897a95b4
hexe116a6920

60421728544 has 48 divisors (see below), whose sum is σ = 125242437600. Its totient is φ = 28614795264.

The previous prime is 60421728529. The next prime is 60421728551. The reversal of 60421728544 is 44582712406.

It is a self number, because there is not a number n which added to its sum of digits gives 60421728544.

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, 4429767 + ... + 4443385.

It is an arithmetic number, because the mean of its divisors is an integer number (2609217450).

Almost surely, 260421728544 is an apocalyptic number.

It is an amenable number.

60421728544 is an abundant number, since it is smaller than the sum of its proper divisors (64820709056).

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

60421728544 is a wasteful number, since it uses less digits than its factorization.

60421728544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20945 (or 20937 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 60421728544 in words is "sixty billion, four hundred twenty-one million, seven hundred twenty-eight thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 7297 13619 14594 27238 29188 54476 58376 108952 116752 138643 217904 233504 258761 277286 435808 517522 554572 1035044 1109144 2070088 2218288 4140176 4436576 8280352 99377843 198755686 397511372 795022744 1590045488 1888179017 3180090976 3776358034 7552716068 15105432136 30210864272 60421728544