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72325605620 = 22519087189463
BaseRepresentation
bin100001101011011110…
…0010010100011110100
320220200111101110001002
41003112330102203310
52141110323334440
653120444422432
75140203334652
oct1032674224364
9226614343032
1072325605620
1128744a11a94
1212025847a18
136a881b6558
14370182bdd2
151d3488e115
hex10d6f128f4

72325605620 has 24 divisors (see below), whose sum is σ = 151892530944. Its totient is φ = 28928573856.

The previous prime is 72325605619. The next prime is 72325605641. The reversal of 72325605620 is 2650652327.

It is a happy number.

It is a congruent number.

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, 287009 + ... + 476471.

It is an arithmetic number, because the mean of its divisors is an integer number (6328855456).

Almost surely, 272325605620 is an apocalyptic number.

It is an amenable number.

72325605620 is an abundant number, since it is smaller than the sum of its proper divisors (79566925324).

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

72325605620 is a wasteful number, since it uses less digits than its factorization.

72325605620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208559 (or 208557 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 72325605620 in words is "seventy-two billion, three hundred twenty-five million, six hundred five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 19087 38174 76348 95435 189463 190870 378926 381740 757852 947315 1894630 3789260 3616280281 7232560562 14465121124 18081401405 36162802810 72325605620