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102284840545020 = 223257827250339217
BaseRepresentation
bin10111010000011100001011…
…100101100010101011111100
3111102011100001101220022012100
4113100130023211202223330
5101401313323134420040
61001313001305105100
730354556462264140
oct2720341345425374
9442140041808170
10102284840545020
112a655836a22371
12b57b5a2188190
13450c55a9304c3
141b38881353220
15bc59e414ab30
hex5d070b962afc

102284840545020 has 288 divisors, whose sum is σ = 355167103269888. Its totient is φ = 23341197551616.

The previous prime is 102284840544989. The next prime is 102284840545021. The reversal of 102284840545020 is 20545048482201.

It is a happy number.

102284840545020 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 8 + 4 + 84 + 0 + 545 + 0 + 20 = 666.

102284840545020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102284840545021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2608156452 + ... + 2608195668.

It is an arithmetic number, because the mean of its divisors is an integer number (1233219108576).

Almost surely, 2102284840545020 is an apocalyptic number.

102284840545020 is a gapful number since it is divisible by the number (10) 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 102284840545020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177583551634944).

102284840545020 is an abundant number, since it is smaller than the sum of its proper divisors (252882262724868).

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

102284840545020 is a wasteful number, since it uses less digits than its factorization.

102284840545020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42569 (or 42564 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 45.

The spelling of 102284840545020 in words is "one hundred two trillion, two hundred eighty-four billion, eight hundred forty million, five hundred forty-five thousand, twenty".