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74197060020 = 22335173794231
BaseRepresentation
bin100010100011001111…
…1010100100110110100
321002111220212011212000
41011012133110212310
52203423421410040
654030300255300
75234446414146
oct1050637244664
9232456764760
1074197060020
1129515340416
1212468541530
136cc5b34115
14383c1c4c96
151de3d0e130
hex11467d49b4

74197060020 has 96 divisors (see below), whose sum is σ = 232169898240. Its totient is φ = 19671488640.

The previous prime is 74197060009. The next prime is 74197060043. The reversal of 74197060020 is 2006079147.

It is a happy number.

74197060020 is a `hidden beast` number, since 7 + 41 + 9 + 7 + 0 + 600 + 2 + 0 = 666.

It is a super-2 number, since 2×741970600202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303696 + ... + 490535.

It is an arithmetic number, because the mean of its divisors is an integer number (2418436440).

Almost surely, 274197060020 is an apocalyptic number.

It is an amenable number.

74197060020 is an abundant number, since it is smaller than the sum of its proper divisors (157972838220).

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

74197060020 is a wasteful number, since it uses less digits than its factorization.

74197060020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794422 (or 794414 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 74197060020 in words is "seventy-four billion, one hundred ninety-seven million, sixty thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 173 180 270 346 519 540 692 865 1038 1557 1730 2076 2595 3114 3460 4671 5190 6228 7785 9342 10380 15570 18684 23355 31140 46710 93420 794231 1588462 2382693 3176924 3971155 4765386 7148079 7942310 9530772 11913465 14296158 15884620 21444237 23826930 28592316 35740395 42888474 47653860 71480790 85776948 107221185 137401963 142961580 214442370 274803926 412205889 428884740 549607852 687009815 824411778 1236617667 1374019630 1648823556 2061029445 2473235334 2748039260 3709853001 4122058890 4946470668 6183088335 7419706002 8244117780 12366176670 14839412004 18549265005 24732353340 37098530010 74197060020