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68033837044400 = 2452245096939679
BaseRepresentation
bin11110111100000010111001…
…01100001001001010110000
322220212222020002010212121012
433132001130230021022300
532404131244240410100
6400410151355450052
720221165622201123
oct1736013454111260
9286788202125535
1068033837044400
111a74aa96411647
1277694b6456928
132bc67427722c6
1412b2bd8c763ba
157ceab2429135
hex3de05cb092b0

68033837044400 has 60 divisors (see below), whose sum is σ = 163457986084800. Its totient is φ = 27212420547840.

The previous prime is 68033837044343. The next prime is 68033837044403. The reversal of 68033837044400 is 444073833086.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (68033837044403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6333761 + ... + 13273439.

It is an arithmetic number, because the mean of its divisors is an integer number (2724299768080).

Almost surely, 268033837044400 is an apocalyptic number.

It is an amenable number.

68033837044400 is an abundant number, since it is smaller than the sum of its proper divisors (95424149040400).

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

68033837044400 is a wasteful number, since it uses less digits than its factorization.

68033837044400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6964206 (or 6964195 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 50.

The spelling of 68033837044400 in words is "sixty-eight trillion, thirty-three billion, eight hundred thirty-seven million, forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 24509 49018 98036 122545 196072 245090 392144 490180 612725 980360 1225450 1960720 2450900 4901800 6939679 9803600 13879358 27758716 34698395 55517432 69396790 111034864 138793580 173491975 277587160 346983950 555174320 693967900 1387935800 2775871600 170084592611 340169185222 680338370444 850422963055 1360676740888 1700845926110 2721353481776 3401691852220 4252114815275 6803383704440 8504229630550 13606767408880 17008459261100 34016918522200 68033837044400