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30976636846680 = 23325719646964011
BaseRepresentation
bin1110000101100010011110…
…11011111000001001011000
311001200100010002020000200100
413002301033123320021120
513030010123013043210
6145514245344135400
76344662636536510
oct702611733701130
9131610102200610
1030976636846680
119963132a39078
123583591007560
1314391133387c5
147913c49b2840
1538ab903e95c0
hex1c2c4f6f8258

30976636846680 has 192 divisors, whose sum is σ = 121111663046400. Its totient is φ = 6707722855680.

The previous prime is 30976636846669. The next prime is 30976636846711. The reversal of 30976636846680 is 8664863667903.

30976636846680 is a `hidden beast` number, since 3 + 0 + 97 + 66 + 368 + 46 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 30976636846599 and 30976636846608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 323434126 + ... + 323529885.

It is an arithmetic number, because the mean of its divisors is an integer number (630789911700).

Almost surely, 230976636846680 is an apocalyptic number.

30976636846680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30976636846680 is an abundant number, since it is smaller than the sum of its proper divisors (90135026199720).

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

30976636846680 is a wasteful number, since it uses less digits than its factorization.

30976636846680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646964054 (or 646964047 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 72.

The spelling of 30976636846680 in words is "thirty trillion, nine hundred seventy-six billion, six hundred thirty-six million, eight hundred forty-six thousand, six hundred eighty".