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720672027066 = 233292011228841
BaseRepresentation
bin10100111110010110110…
…01100111000110111010
32112220011212120011211000
422133023121213012322
543301414014331231
61311023330345430
7103031632105005
oct12371331470672
92486155504730
10720672027066
112586a9631592
12b780772b276
1352c6113b814
1426c4896253c
1513b2dd1c6e6
hexa7cb6671ba

720672027066 has 64 divisors (see below), whose sum is σ = 1657548374400. Its totient is φ = 231824073600.

The previous prime is 720672027059. The next prime is 720672027073. The reversal of 720672027066 is 660720276027.

It is an interprime number because it is at equal distance from previous prime (720672027059) and next prime (720672027073).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3034806 + ... + 3263646.

It is an arithmetic number, because the mean of its divisors is an integer number (25899193350).

Almost surely, 2720672027066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720672027066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828774187200).

720672027066 is an abundant number, since it is smaller than the sum of its proper divisors (936876347334).

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

720672027066 is a wasteful number, since it uses less digits than its factorization.

720672027066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230892 (or 230886 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 720672027066 in words is "seven hundred twenty billion, six hundred seventy-two million, twenty-seven thousand, sixty-six".

Divisors: 1 2 3 6 9 18 27 29 54 58 87 174 261 522 783 1566 2011 4022 6033 12066 18099 36198 54297 58319 108594 116638 174957 228841 349914 457682 524871 686523 1049742 1373046 1574613 2059569 3149226 4119138 6178707 6636389 12357414 13272778 19909167 39818334 59727501 119455002 179182503 358365006 460199251 920398502 1380597753 2761195506 4141793259 8283586518 12425379777 13345778279 24850759554 26691556558 40037334837 80074669674 120112004511 240224009022 360336013533 720672027066