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102006689854608 = 2432711292711170599
BaseRepresentation
bin10111001100011001001000…
…100000110111010010010000
3111101011202002121022012112200
4113030121020200313102100
5101332234200100321413
61000541120522323200
730325511603363520
oct2714311040672220
9441152077265480
10102006689854608
112a558881128820
12b5356b6059500
1344bc260672666
141b29215d67680
15bbd664c51573
hex5cc648837490

102006689854608 has 480 divisors, whose sum is σ = 369551490048000. Its totient is φ = 25487196134400.

The previous prime is 102006689854591. The next prime is 102006689854613. The reversal of 102006689854608 is 806458986600201.

102006689854608 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 0 + 6 + 6 + 89 + 8 + 546 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 86555293 + ... + 87725891.

It is an arithmetic number, because the mean of its divisors is an integer number (769898937600).

Almost surely, 2102006689854608 is an apocalyptic number.

102006689854608 is a gapful number since it is divisible by the number (18) 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 102006689854608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184775745024000).

102006689854608 is an abundant number, since it is smaller than the sum of its proper divisors (267544800193392).

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

102006689854608 is a wasteful number, since it uses less digits than its factorization.

102006689854608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170931 (or 1170922 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 102006689854608 in words is "one hundred two trillion, six billion, six hundred eighty-nine million, eight hundred fifty-four thousand, six hundred eight".