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102012020201084 = 227171797431611397
BaseRepresentation
bin10111001100011110000110…
…001110100001011001111100
3111101012020212002021212021112
4113030132012032201121330
5101332331104132413314
61000543401454221152
730326060646521330
oct2714360616413174
9441166762255245
10102012020201084
112a560066a56a44
12b5367431b47b8
1344bc8cca95926
141b2959dc5b7c0
15bbd877bad43e
hex5cc7863a167c

102012020201084 has 96 divisors (see below), whose sum is σ = 217524807521280. Its totient is φ = 40862733714432.

The previous prime is 102012020201083. The next prime is 102012020201141. The reversal of 102012020201084 is 480102020210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012020201083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62500874 + ... + 64112270.

It is an arithmetic number, because the mean of its divisors is an integer number (2265883411680).

Almost surely, 2102012020201084 is an apocalyptic number.

102012020201084 is a gapful number since it is divisible by the number (14) 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 102012020201084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108762403760640).

102012020201084 is an abundant number, since it is smaller than the sum of its proper divisors (115512787320196).

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

102012020201084 is a wasteful number, since it uses less digits than its factorization.

102012020201084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612347 (or 1612345 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 102012020201084 its reverse (480102020210201), we get a palindrome (582114040411285).

The spelling of 102012020201084 in words is "one hundred two trillion, twelve billion, twenty million, two hundred one thousand, eighty-four".

Divisors: 1 2 4 7 14 17 28 34 68 119 179 238 358 476 716 743 1253 1486 2506 2972 3043 5012 5201 6086 10402 12172 12631 20804 21301 25262 42602 50524 85204 88417 132997 176834 265994 353668 531988 930979 1611397 1861958 2260949 3222794 3723916 4521898 6445588 9043796 11279779 15826643 22559558 27393749 31653286 45119116 54787498 63306572 109574996 191756243 288440063 383512486 576880126 767024972 1153760252 1197267971 2019080441 2394535942 4038160882 4789071884 4903481071 8076321764 8380875797 9806962142 16761751594 19613924284 20353555507 33523503188 34324367497 40707111014 68648734994 81414222028 137297469988 142474888549 214310966809 284949777098 428621933618 569899554196 857243867236 1500176767663 3000353535326 3643286435753 6000707070652 7286572871506 14573145743012 25503005050271 51006010100542 102012020201084