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197206313472 = 293377972557
BaseRepresentation
bin1011011110101001101…
…0011000101000000000
3200212000122110201001000
42313222122120220000
511212334304012342
6230332331412000
720150646002220
oct2675232305000
9625018421030
10197206313472
11766a8906163
1232277bb4000
131579a5c281c
14978b062080
1551e308544c
hex2dea698a00

197206313472 has 320 divisors, whose sum is σ = 668234730240. Its totient is φ = 56251957248.

The previous prime is 197206313461. The next prime is 197206313497. The reversal of 197206313472 is 274313602791.

197206313472 is a `hidden beast` number, since 1 + 9 + 7 + 2 + 0 + 631 + 3 + 4 + 7 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77122818 + ... + 77125374.

It is an arithmetic number, because the mean of its divisors is an integer number (2088233532).

Almost surely, 2197206313472 is an apocalyptic number.

197206313472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197206313472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334117365120).

197206313472 is an abundant number, since it is smaller than the sum of its proper divisors (471028416768).

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

197206313472 is an equidigital number, since it uses as much as digits as its factorization.

197206313472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 197206313472 in words is "one hundred ninety-seven billion, two hundred six million, three hundred thirteen thousand, four hundred seventy-two".