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102102220101000 = 23353710934448317
BaseRepresentation
bin10111001101110010000110…
…100011110101010110001000
3111101111212200021022112112110
4113031302012203311112020
5101340320321321213000
61001053040135142320
730335433124154430
oct2715620643652610
9441455607275473
10102102220101000
112a5953434a1879
12b550116b149a0
1344c8276138782
141b2dab95132c0
15bc0da6874850
hex5cdc868f5588

102102220101000 has 256 divisors, whose sum is σ = 364400516712960. Its totient is φ = 23316293145600.

The previous prime is 102102220100983. The next prime is 102102220101041. The reversal of 102102220101000 is 101022201201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20728842 + ... + 25177158.

It is an arithmetic number, because the mean of its divisors is an integer number (1423439518410).

Almost surely, 2102102220101000 is an apocalyptic number.

102102220101000 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 102102220101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182200258356480).

102102220101000 is an abundant number, since it is smaller than the sum of its proper divisors (262298296611960).

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

102102220101000 is a wasteful number, since it uses less digits than its factorization.

102102220101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449441 (or 4449427 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102102220101000 its reverse (101022201201), we get a palindrome (102203242302201).

The spelling of 102102220101000 in words is "one hundred two trillion, one hundred two billion, two hundred twenty million, one hundred one thousand".