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72200916768 = 2535912747337
BaseRepresentation
bin100001100111110000…
…0101000111100100000
320220100210202121002110
41003033200220330200
52140331413314033
653100232115320
75134130444421
oct1031740507440
9226323677073
1072200916768
1128690598452
1211babb35b40
136a6840a376
1436cd051648
151d2895e363
hex10cf828f20

72200916768 has 48 divisors (see below), whose sum is σ = 192739750560. Its totient is φ = 23659055616.

The previous prime is 72200916763. The next prime is 72200916779. The reversal of 72200916768 is 86761900227.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (72200916763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6368005 + ... + 6379332.

It is an arithmetic number, because the mean of its divisors is an integer number (4015411470).

Almost surely, 272200916768 is an apocalyptic number.

It is an amenable number.

72200916768 is an abundant number, since it is smaller than the sum of its proper divisors (120538833792).

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

72200916768 is a wasteful number, since it uses less digits than its factorization.

72200916768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12747409 (or 12747401 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 72200916768 in words is "seventy-two billion, two hundred million, nine hundred sixteen thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 59 96 118 177 236 354 472 708 944 1416 1888 2832 5664 12747337 25494674 38242011 50989348 76484022 101978696 152968044 203957392 305936088 407914784 611872176 752092883 1223744352 1504185766 2256278649 3008371532 4512557298 6016743064 9025114596 12033486128 18050229192 24066972256 36100458384 72200916768