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102100122101010 = 23511384598044783
BaseRepresentation
bin10111001101110000001001…
…100000100110010100010010
3111101111200021001120002121010
4113031300021200212110102
5101340302022224213020
61001052052031511350
730335330130360405
oct2715601140462422
9441450231502533
10102100122101010
112a5944671aa390
12b54b830388556
1344c800059b067
141b2d95aa27d3c
15bc0cd25a4de0
hex5cdc09826512

102100122101010 has 64 divisors (see below), whose sum is σ = 267323667240960. Its totient is φ = 24750898092480.

The previous prime is 102100122100931. The next prime is 102100122101099. The reversal of 102100122101010 is 10101221001201.

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 31 ways as a sum of consecutive naturals, for example, 8669079 + ... + 16713861.

It is an arithmetic number, because the mean of its divisors is an integer number (4176932300640).

Almost surely, 2102100122101010 is an apocalyptic number.

102100122101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100122101010 is an abundant number, since it is smaller than the sum of its proper divisors (165223545139950).

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

102100122101010 is a wasteful number, since it uses less digits than its factorization.

102100122101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8083263.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102100122101010 its reverse (10101221001201), we get a palindrome (112201343102211).

The spelling of 102100122101010 in words is "one hundred two trillion, one hundred billion, one hundred twenty-two million, one hundred one thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 38459 76918 115377 192295 230754 384590 423049 576885 846098 1153770 1269147 2115245 2538294 4230490 6345735 8044783 12691470 16089566 24134349 40223915 48268698 80447830 88492613 120671745 176985226 241343490 265477839 442463065 530955678 884926130 1327389195 2654778390 309394309397 618788618794 928182928191 1546971546985 1856365856382 3093943093970 3403337403367 4640914640955 6806674806734 9281829281910 10210012210101 17016687016835 20420024420202 34033374033670 51050061050505 102100122101010