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84953868800 = 295217390413
BaseRepresentation
bin100111100011110100…
…1010010101000000000
322010021120200200110012
41033013221102220000
52342441142300200
6103005520124052
76065143653533
oct1170751225000
9263246620405
1084953868800
1133035276029
121456aa66628
13801b561228
14417ca6ca1a
152323361a35
hex13c7a52a00

84953868800 has 120 divisors (see below), whose sum is σ = 222861585276. Its totient is φ = 31982551040.

The previous prime is 84953868799. The next prime is 84953868823. The reversal of 84953868800 is 886835948.

It can be written as a sum of positive squares in 6 ways, for example, as 33544655104 + 51409213696 = 183152^2 + 226736^2 .

It is a super-2 number, since 2×849538688002 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84953868800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22394 + ... + 412806.

Almost surely, 284953868800 is an apocalyptic number.

84953868800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84953868800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111430792638).

84953868800 is an abundant number, since it is smaller than the sum of its proper divisors (137907716476).

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

84953868800 is a wasteful number, since it uses less digits than its factorization.

84953868800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390458 (or 390437 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 84953868800 in words is "eighty-four billion, nine hundred fifty-three million, eight hundred sixty-eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 128 136 160 170 200 256 272 320 340 400 425 512 544 640 680 800 850 1088 1280 1360 1600 1700 2176 2560 2720 3200 3400 4352 5440 6400 6800 8704 10880 12800 13600 21760 27200 43520 54400 108800 217600 390413 780826 1561652 1952065 3123304 3904130 6246608 6637021 7808260 9760325 12493216 13274042 15616520 19520650 24986432 26548084 31233040 33185105 39041300 49972864 53096168 62466080 66370210 78082600 99945728 106192336 124932160 132740420 156165200 165925525 199891456 212384672 249864320 265480840 312330400 331851050 424769344 499728640 530961680 624660800 663702100 849538688 999457280 1061923360 1249321600 1327404200 1699077376 2123846720 2498643200 2654808400 3398154752 4247693440 4997286400 5309616800 8495386880 10619233600 16990773760 21238467200 42476934400 84953868800