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672627126672 = 243213756959921
BaseRepresentation
bin10011100100110111011…
…00110111000110010000
32101022011112121100122200
421302123230313012100
542010020021023142
61233000045403200
766411220146054
oct11623354670620
92338145540580
10672627126672
1123a294528836
12aa439569500
134b575454c87
14247abb5dc64
151276ae1b64c
hex9c9bb37190

672627126672 has 120 divisors (see below), whose sum is σ = 1899526201560. Its totient is φ = 222177607680.

The previous prime is 672627126641. The next prime is 672627126683. The reversal of 672627126672 is 276621726276.

672627126672 is a `hidden beast` number, since 6 + 7 + 2 + 627 + 1 + 2 + 6 + 6 + 7 + 2 = 666.

672627126672 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 91104970896 + 581522155776 = 301836^2 + 762576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11195272 + ... + 11255192.

It is an arithmetic number, because the mean of its divisors is an integer number (15829385013).

Almost surely, 2672627126672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672627126672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949763100780).

672627126672 is an abundant number, since it is smaller than the sum of its proper divisors (1226899074888).

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

672627126672 is a wasteful number, since it uses less digits than its factorization.

672627126672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60641 (or 60632 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The spelling of 672627126672 in words is "six hundred seventy-two billion, six hundred twenty-seven million, one hundred twenty-six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 137 144 274 411 548 569 822 1096 1138 1233 1644 1707 2192 2276 2466 3288 3414 4552 4932 5121 6576 6828 9104 9864 10242 13656 19728 20484 27312 40968 59921 77953 81936 119842 155906 179763 233859 239684 311812 359526 467718 479368 539289 623624 701577 719052 935436 958736 1078578 1247248 1403154 1438104 1870872 2157156 2806308 2876208 3741744 4314312 5612616 8209177 8628624 11225232 16418354 24627531 32836708 34095049 49255062 65673416 68190098 73882593 98510124 102285147 131346832 136380196 147765186 197020248 204570294 272760392 295530372 306855441 394040496 409140588 545520784 591060744 613710882 818281176 1182121488 1227421764 1636562352 2454843528 4671021713 4909687056 9342043426 14013065139 18684086852 28026130278 37368173704 42039195417 56052260556 74736347408 84078390834 112104521112 168156781668 224209042224 336313563336 672627126672