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675451605720 = 233529247142403
BaseRepresentation
bin10011101010001000000…
…11011001001011011000
32101120110101100202111210
421311010003121023120
542031311102340340
61234144224023120
766541214626623
oct11650403311330
92346411322453
10675451605720
11240503905741
12aaaa7461aa0
134b905673258
1424998d16dba
1512883d8e180
hex9d440d92d8

675451605720 has 192 divisors, whose sum is σ = 2143305515520. Its totient is φ = 170207984128.

The previous prime is 675451605713. The next prime is 675451605791. The reversal of 675451605720 is 27506154576.

It is a self number, because there is not a number n which added to its sum of digits gives 675451605720.

It is a congruent number.

It is an unprimeable number.

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, 4672039 + ... + 4814441.

It is an arithmetic number, because the mean of its divisors is an integer number (11163049560).

Almost surely, 2675451605720 is an apocalyptic number.

675451605720 is a gapful number since it is divisible by the number (60) 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 675451605720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071652757760).

675451605720 is an abundant number, since it is smaller than the sum of its proper divisors (1467853909800).

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

675451605720 is a wasteful number, since it uses less digits than its factorization.

675451605720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142522 (or 142489 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 675451605720 in words is "six hundred seventy-five billion, four hundred fifty-one million, six hundred five thousand, seven hundred twenty".