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72300007150 = 2527259500173
BaseRepresentation
bin100001101010101101…
…0101000111011101110
320220121201012220112121
41003111122220323232
52141032300212100
653114132023154
75136442630600
oct1032532507356
9226551186477
1072300007150
1128731518528
1212019161aba
136a82ac2b27
1436dc287170
151d324d451a
hex10d56a8eee

72300007150 has 72 divisors (see below), whose sum is σ = 159085342440. Its totient is φ = 24368379840.

The previous prime is 72300007147. The next prime is 72300007163. The reversal of 72300007150 is 5170000327.

It is a super-2 number, since 2×723000071502 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 105537 + ... + 394636.

It is an arithmetic number, because the mean of its divisors is an integer number (2209518645).

Almost surely, 272300007150 is an apocalyptic number.

72300007150 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72300007150 is an abundant number, since it is smaller than the sum of its proper divisors (86785335290).

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

72300007150 is a wasteful number, since it uses less digits than its factorization.

72300007150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500258 (or 500246 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

Adding to 72300007150 its reverse (5170000327), we get a palindrome (77470007477).

The spelling of 72300007150 in words is "seventy-two billion, three hundred million, seven thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 59 70 98 118 175 245 295 350 413 490 590 826 1225 1475 2065 2450 2891 2950 4130 5782 10325 14455 20650 28910 72275 144550 500173 1000346 2500865 3501211 5001730 7002422 12504325 17506055 24508477 25008650 29510207 35012110 49016954 59020414 87530275 122542385 147551035 175060550 206571449 245084770 295102070 413142898 612711925 737755175 1032857245 1225423850 1446000143 1475510350 2065714490 2892000286 5164286225 7230000715 10328572450 14460001430 36150003575 72300007150