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72148016814 = 23611373143573
BaseRepresentation
bin100001100110001011…
…0110101111010101110
320220020010012222222220
41003030112311322232
52140224343014224
653051102220210
75132616011226
oct1031426657256
9226203188886
1072148016814
1128663746985
1211b96284666
136a5a478013
1436c6001086
151d23eb0279
hex10cc5b5eae

72148016814 has 32 divisors (see below), whose sum is σ = 146769382944. Its totient is φ = 23637694080.

The previous prime is 72148016803. The next prime is 72148016827. The reversal of 72148016814 is 41861084127.

It is a congruent number.

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, 430732 + ... + 574304.

It is an arithmetic number, because the mean of its divisors is an integer number (4586543217).

Almost surely, 272148016814 is an apocalyptic number.

72148016814 is an abundant number, since it is smaller than the sum of its proper divisors (74621366130).

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

72148016814 is a wasteful number, since it uses less digits than its factorization.

72148016814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145012.

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 72148016814 in words is "seventy-two billion, one hundred forty-eight million, sixteen thousand, eight hundred fourteen".

Divisors: 1 2 3 6 61 122 183 366 1373 2746 4119 8238 83753 143573 167506 251259 287146 430719 502518 861438 8757953 17515906 26273859 52547718 197125729 394251458 591377187 1182754374 12024669469 24049338938 36074008407 72148016814