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74213305120 = 2552353380503
BaseRepresentation
bin100010100011101110…
…1010010101100100000
321002120001102111221101
41011013131102230200
52203442101230440
654032040404144
75235034454023
oct1050735225440
9232501374841
1074213305120
1129523526619
1212471a76654
136cc93013c6
1438404131ba
151de546c69a
hex1147752b20

74213305120 has 96 divisors (see below), whose sum is σ = 186404343552. Its totient is φ = 27858834432.

The previous prime is 74213305079. The next prime is 74213305139. The reversal of 74213305120 is 2150331247.

It is a super-3 number, since 3×742133051203 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4789 + ... + 385291.

It is an arithmetic number, because the mean of its divisors is an integer number (1941711912).

Almost surely, 274213305120 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 74213305120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93202171776).

74213305120 is an abundant number, since it is smaller than the sum of its proper divisors (112191038432).

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

74213305120 is a wasteful number, since it uses less digits than its factorization.

74213305120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380594 (or 380586 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 74213305120 its reverse (2150331247), we get a palindrome (76363636367).

The spelling of 74213305120 in words is "seventy-four billion, two hundred thirteen million, three hundred five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 53 80 92 106 115 160 184 212 230 265 368 424 460 530 736 848 920 1060 1219 1696 1840 2120 2438 3680 4240 4876 6095 8480 9752 12190 19504 24380 39008 48760 97520 195040 380503 761006 1522012 1902515 3044024 3805030 6088048 7610060 8751569 12176096 15220120 17503138 20166659 30440240 35006276 40333318 43757845 60880480 70012552 80666636 87515690 100833295 140025104 161333272 175031380 201666590 280050208 322666544 350062760 403333180 463833157 645333088 700125520 806666360 927666314 1400251040 1613332720 1855332628 2319165785 3226665440 3710665256 4638331570 7421330512 9276663140 14842661024 18553326280 37106652560 74213305120