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690089032602 = 2321729839071033
BaseRepresentation
bin10100000101011001000…
…00101111101110011010
32102222020111021002101100
422002230200233232122
542301300243020402
61245004510532230
7100600022664564
oct12025440575632
92388214232340
10690089032602
112467352a5152
12b18b1507076
13500c90532a8
1425586d1a334
1512e3de3471c
hexa0ac82fb9a

690089032602 has 192 divisors, whose sum is σ = 1660902122880. Its totient is φ = 206087196672.

The previous prime is 690089032597. The next prime is 690089032613. The reversal of 690089032602 is 206230980096.

690089032602 is a `hidden beast` number, since 6 + 9 + 0 + 0 + 8 + 9 + 0 + 32 + 602 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 668043078 + ... + 668044110.

It is an arithmetic number, because the mean of its divisors is an integer number (8650531890).

Almost surely, 2690089032602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690089032602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830451061440).

690089032602 is an abundant number, since it is smaller than the sum of its proper divisors (970813090278).

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

690089032602 is a wasteful number, since it uses less digits than its factorization.

690089032602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 690089032602 in words is "six hundred ninety billion, eighty-nine million, thirty-two thousand, six hundred two".