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6813474746672 = 2411233371499309
BaseRepresentation
bin110001100100110001010…
…1111011111000100110000
3220010100202202210100100102
41203021202233133010300
51343112444013343142
622254022254011532
71302154153526006
oct143114257370460
926110682710312
106813474746672
11219763a95a820
129205b6aa6ba8
133a567ab60949
14197ab9980a76
15bc37a207532
hex63262bdf130

6813474746672 has 80 divisors (see below), whose sum is σ = 15031835400960. Its totient is φ = 2961495609600.

The previous prime is 6813474746579. The next prime is 6813474746807. The reversal of 6813474746672 is 2766474743186.

It is a junction number, because it is equal to n+sod(n) for n = 6813474746599 and 6813474746608.

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, 13396154 + ... + 13895462.

It is an arithmetic number, because the mean of its divisors is an integer number (187897942512).

Almost surely, 26813474746672 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 6813474746672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7515917700480).

6813474746672 is an abundant number, since it is smaller than the sum of its proper divisors (8218360654288).

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

6813474746672 is a wasteful number, since it uses less digits than its factorization.

6813474746672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502722 (or 502716 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 65.

The spelling of 6813474746672 in words is "six trillion, eight hundred thirteen billion, four hundred seventy-four million, seven hundred forty-six thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 23 44 46 88 92 176 184 253 368 506 1012 2024 3371 4048 6742 13484 26968 37081 53936 74162 77533 148324 155066 296648 310132 499309 593296 620264 852863 998618 1240528 1705726 1997236 3411452 3994472 5492399 6822904 7988944 10984798 11484107 13645808 21969596 22968214 43939192 45936428 87878384 91872856 126325177 183745712 252650354 505300708 1010601416 1683170639 2021202832 3366341278 6732682556 13465365112 18514877029 26930730224 37029754058 38712924697 74059508116 77425849394 148119016232 154851698788 296238032464 309703397576 425842171667 619406795152 851684343334 1703368686668 3406737373336 6813474746672