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1297114888680 = 2332513972857333
BaseRepresentation
bin10010111000000010000…
…100100111100111101000
311121000002011111121112100
4102320002010213213220
5132222442402414210
62431515241413400
7162466500431202
oct22700204474750
94530064447470
101297114888680
114601155a2376
1218b48119a260
139541846a490
1446ad032b772
1523b1a9c75c0
hex12e021279e8

1297114888680 has 192 divisors, whose sum is σ = 4586706830160. Its totient is φ = 315998060544.

The previous prime is 1297114888649. The next prime is 1297114888681. The reversal of 1297114888680 is 868884117921.

1297114888680 is a `hidden beast` number, since 1 + 2 + 9 + 71 + 1 + 488 + 8 + 6 + 80 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 66759190884 + 1230355697796 = 258378^2 + 1109214^2 .

It is not an unprimeable number, because it can be changed into a prime (1297114888681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 974707 + ... + 1882626.

Almost surely, 21297114888680 is an apocalyptic number.

1297114888680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1297114888680 is an abundant number, since it is smaller than the sum of its proper divisors (3289591941480).

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

1297114888680 is a wasteful number, since it uses less digits than its factorization.

1297114888680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857460 (or 2857453 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 63.

The spelling of 1297114888680 in words is "one trillion, two hundred ninety-seven billion, one hundred fourteen million, eight hundred eighty-eight thousand, six hundred eighty".