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87284425570664 = 2374395617963199
BaseRepresentation
bin10011110110001001111101…
…001011100011100101101000
3102110001022100200201001011012
4103312021331023203211220
542420032000421230124
6505345524521123052
724246043301624540
oct2366117513434550
9373038320631135
1087284425570664
11258a2131809483
129958381629488
133991b6975868a
14177a8356da320
15a15705365e0e
hex4f627d2e3968

87284425570664 has 64 divisors (see below), whose sum is σ = 187470412800000. Its totient is φ = 37321145108928.

The previous prime is 87284425570663. The next prime is 87284425570691. The reversal of 87284425570664 is 46607552448278.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87284425570594 and 87284425570603.

It is not an unprimeable number, because it can be changed into a prime (87284425570663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381072937 + ... + 1381136135.

It is an arithmetic number, because the mean of its divisors is an integer number (2929225200000).

Almost surely, 287284425570664 is an apocalyptic number.

It is an amenable number.

87284425570664 is an abundant number, since it is smaller than the sum of its proper divisors (100185987229336).

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

87284425570664 is a wasteful number, since it uses less digits than its factorization.

87284425570664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119830 (or 119826 counting only the distinct ones).

The product of its (nonzero) digits is 722534400, while the sum is 68.

The spelling of 87284425570664 in words is "eighty-seven trillion, two hundred eighty-four billion, four hundred twenty-five million, five hundred seventy thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 439 878 1756 3073 3512 6146 12292 24584 56179 63199 112358 126398 224716 252796 393253 442393 449432 505592 786506 884786 1573012 1769572 3146024 3539144 24662581 27744361 49325162 55488722 98650324 110977444 172638067 194210527 197300648 221954888 345276134 388421054 690552268 776842108 1381104536 1553684216 3550456621 7100913242 14201826484 24853196347 28403652968 49706392694 99412785388 198825570776 1558650456619 3117300913238 6234601826476 10910553196333 12469203652952 21821106392666 43642212785332 87284425570664