Search a number
-
+
72930015724 = 227910711171931
BaseRepresentation
bin100001111101011110…
…1111011100111101100
320222020121200122211111
41003322331323213230
52143330041000344
653300435201404
75161162622356
oct1037275734754
9228217618744
1072930015724
1128a25102275
1212174146264
136b53497577
14375bc020d6
151d6c97d834
hex10faf7b9ec

72930015724 has 48 divisors (see below), whose sum is σ = 130635348480. Its totient is φ = 35616559680.

The previous prime is 72930015707. The next prime is 72930015733. The reversal of 72930015724 is 42751003927.

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, 37767039 + ... + 37768969.

It is an arithmetic number, because the mean of its divisors is an integer number (2721569760).

Almost surely, 272930015724 is an apocalyptic number.

It is an amenable number.

72930015724 is a deficient number, since it is larger than the sum of its proper divisors (57705332756).

72930015724 is a wasteful number, since it uses less digits than its factorization.

72930015724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238 (or 3236 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 72930015724 in words is "seventy-two billion, nine hundred thirty million, fifteen thousand, seven hundred twenty-four".

Divisors: 1 2 4 79 107 158 214 316 428 1117 1931 2234 3862 4468 7724 8453 16906 33812 88243 119519 152549 176486 206617 239038 305098 352972 413234 478076 610196 826468 2156927 4313854 8627708 9442001 16322743 18884002 32645486 37768004 65290972 170397233 230791189 340794466 461582378 681588932 923164756 18232503931 36465007862 72930015724