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64060445067860 = 2251710315737116239
BaseRepresentation
bin11101001000011001111000…
…00100101000101001010100
322101211010012120010210222102
432210030330010220221110
531344031242414132420
6344124543500021232
716331133355514303
oct1644147404505124
9271733176123872
1064060445067860
111945897820890a
127227415531818
132998b49394b67
1411b67836a243a
1576155c3c7a75
hex3a433c128a54

64060445067860 has 96 divisors (see below), whose sum is σ = 143833575674880. Its totient is φ = 23881005969408.

The previous prime is 64060445067811. The next prime is 64060445067889. The reversal of 64060445067860 is 6876054406046.

It is a junction number, because it is equal to n+sod(n) for n = 64060445067796 and 64060445067805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 551051621 + ... + 551167859.

It is an arithmetic number, because the mean of its divisors is an integer number (1498266413280).

Almost surely, 264060445067860 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 64060445067860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71916787837440).

64060445067860 is an abundant number, since it is smaller than the sum of its proper divisors (79773130607020).

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

64060445067860 is a wasteful number, since it uses less digits than its factorization.

64060445067860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132105 (or 132103 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 64060445067860 in words is "sixty-four trillion, sixty billion, four hundred forty-five million, sixty-seven thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 103 170 206 340 412 515 1030 1751 2060 3502 7004 8755 15737 17510 31474 35020 62948 78685 116239 157370 232478 267529 314740 464956 535058 581195 1070116 1162390 1337645 1620911 1976063 2324780 2675290 3241822 3952126 5350580 6483644 7904252 8104555 9880315 11972617 16209110 19760630 23945234 27555487 32418220 39521260 47890468 55110974 59863085 110221948 119726170 137777435 203534489 239452340 275554870 407068978 551109740 814137956 1017672445 1829253143 2035344890 3658506286 4070689780 7317012572 9146265715 18292531430 31097303431 36585062860 62194606862 124389213724 155486517155 188413073729 310973034310 376826147458 621946068620 753652294916 942065368645 1884130737290 3203022253393 3768261474580 6406044506786 12812089013572 16015111266965 32030222533930 64060445067860