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102010022201220 = 2235743724179411
BaseRepresentation
bin10111001100011100001111…
…001000110000011110000100
3111101012001200211200221201120
4113030130033020300132010
5101332313011140414340
61000542431322153540
730325660306020000
oct2714341710603604
9441161624627646
10102010022201220
112a55a231156091
12b5362860528b0
1344bc671b6baa3
141b29450763700
15bbd7ac5934d0
hex5cc70f230784

102010022201220 has 480 divisors, whose sum is σ = 343642988363136. Its totient is φ = 22591979827200.

The previous prime is 102010022201209. The next prime is 102010022201281. The reversal of 102010022201220 is 22102220010201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102010022201220.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1284543315 + ... + 1284622725.

Almost surely, 2102010022201220 is an apocalyptic number.

102010022201220 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 102010022201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171821494181568).

102010022201220 is an abundant number, since it is smaller than the sum of its proper divisors (241632966161916).

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

102010022201220 is a wasteful number, since it uses less digits than its factorization.

102010022201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79729 (or 79706 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102010022201220 its reverse (22102220010201), we get a palindrome (124112242211421).

The spelling of 102010022201220 in words is "one hundred two trillion, ten billion, twenty-two million, two hundred one thousand, two hundred twenty".