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72030950348 = 22712491205951
BaseRepresentation
bin100001100010101100…
…0010001001111001100
320212220221221101222212
41003011120101033030
52140004410402343
653031321125552
75126664655460
oct1030530211714
9225827841885
1072030950348
1128603659135
1211b630298b8
136a3c13a416
1436b464a4a0
151d18a88c18
hex10c56113cc

72030950348 has 24 divisors (see below), whose sum is σ = 144074133504. Its totient is φ = 30867786000.

The previous prime is 72030950323. The next prime is 72030950377. The reversal of 72030950348 is 84305903027.

It is a super-2 number, since 2×720309503482 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246773 + ... + 452723.

It is an arithmetic number, because the mean of its divisors is an integer number (6003088896).

Almost surely, 272030950348 is an apocalyptic number.

It is an amenable number.

72030950348 is an abundant number, since it is smaller than the sum of its proper divisors (72043183156).

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

72030950348 is a wasteful number, since it uses less digits than its factorization.

72030950348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218453 (or 218451 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 72030950348 in words is "seventy-two billion, thirty million, nine hundred fifty thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 28 12491 24982 49964 87437 174874 205951 349748 411902 823804 1441657 2883314 5766628 2572533941 5145067882 10290135764 18007737587 36015475174 72030950348