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72274211340 = 22351963398431
BaseRepresentation
bin100001101001111100…
…0001111001000001100
320220112220200100100020
41003103320033020030
52141004144230330
653111411102140
75136010442262
oct1032370171014
9226486610306
1072274211340
11287189a9781
12120105a1950
136a7a660636
1436d8a90432
151d300db210
hex10d3e0f20c

72274211340 has 48 divisors (see below), whose sum is σ = 213018731520. Its totient is φ = 18258747840.

The previous prime is 72274211327. The next prime is 72274211353. The reversal of 72274211340 is 4311247227.

It is an interprime number because it is at equal distance from previous prime (72274211327) and next prime (72274211353).

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, 31698076 + ... + 31700355.

It is an arithmetic number, because the mean of its divisors is an integer number (4437890240).

Almost surely, 272274211340 is an apocalyptic number.

It is an amenable number.

72274211340 is an abundant number, since it is smaller than the sum of its proper divisors (140744520180).

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

72274211340 is a wasteful number, since it uses less digits than its factorization.

72274211340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63398462 (or 63398460 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

Adding to 72274211340 its reverse (4311247227), we get a palindrome (76585458567).

The spelling of 72274211340 in words is "seventy-two billion, two hundred seventy-four million, two hundred eleven thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 63398431 126796862 190195293 253593724 316992155 380390586 633984310 760781172 950976465 1204570189 1267968620 1901952930 2409140378 3613710567 3803905860 4818280756 6022850945 7227421134 12045701890 14454842268 18068552835 24091403780 36137105670 72274211340