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82748791074 = 2339734739207
BaseRepresentation
bin100110100010000110…
…1100101100100100010
321220120220110010110210
41031010031211210202
52323432142303244
6102003025434550
75656410055515
oct1150415454442
9256526403423
1082748791074
1132103598544
121405449ba56
137a59772601
14400dc6cd7c
1522449904b9
hex1344365922

82748791074 has 16 divisors (see below), whose sum is σ = 165914457408. Its totient is φ = 27513451152.

The previous prime is 82748791067. The next prime is 82748791079. The reversal of 82748791074 is 47019784728.

It is not an unprimeable number, because it can be changed into a prime (82748791079) 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, 17367222 + ... + 17371985.

It is an arithmetic number, because the mean of its divisors is an integer number (10369653588).

Almost surely, 282748791074 is an apocalyptic number.

82748791074 is an abundant number, since it is smaller than the sum of its proper divisors (83165666334).

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

82748791074 is a wasteful number, since it uses less digits than its factorization.

82748791074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34739609.

The product of its (nonzero) digits is 6322176, while the sum is 57.

The spelling of 82748791074 in words is "eighty-two billion, seven hundred forty-eight million, seven hundred ninety-one thousand, seventy-four".

Divisors: 1 2 3 6 397 794 1191 2382 34739207 69478414 104217621 208435242 13791465179 27582930358 41374395537 82748791074