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672642612672 = 2633919893939
BaseRepresentation
bin10011100100111001001…
…11111011110111000000
32101022012121202010110020
421302130213323313000
542010033002101142
61233001401333440
766411465604542
oct11623447736700
92338177663406
10672642612672
1123a2a2245688
12aa442797280
134b5787178a4
14247adc31692
151276c479cec
hex9c9c9fbdc0

672642612672 has 56 divisors (see below), whose sum is σ = 1780156358400. Its totient is φ = 224156741376.

The previous prime is 672642612671. The next prime is 672642612731. The reversal of 672642612672 is 276216246276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672642612671) 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, 305479 + ... + 1199417.

It is an arithmetic number, because the mean of its divisors is an integer number (31788506400).

Almost surely, 2672642612672 is an apocalyptic number.

It is an amenable number.

672642612672 is an abundant number, since it is smaller than the sum of its proper divisors (1107513745728).

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

672642612672 is a wasteful number, since it uses less digits than its factorization.

672642612672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897873 (or 897863 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 51.

The spelling of 672642612672 in words is "six hundred seventy-two billion, six hundred forty-two million, six hundred twelve thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 3919 7838 11757 15676 23514 31352 47028 62704 94056 125408 188112 250816 376224 752448 893939 1787878 2681817 3575756 5363634 7151512 10727268 14303024 21454536 28606048 42909072 57212096 85818144 171636288 3503346941 7006693882 10510040823 14013387764 21020081646 28026775528 42040163292 56053551056 84080326584 112107102112 168160653168 224214204224 336321306336 672642612672