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10100101010 = 2531431913967
BaseRepresentation
bin10010110100000001…
…10100111110010010
3222001220010021220012
421122000310332102
5131141111213020
64350120114522
7505201304426
oct113200647622
928056107805
1010100101010
11431327541a
121b5a605a42
13c4c667c3c
146bb57cb86
153e1a827c5
hex25a034f92

10100101010 has 64 divisors (see below), whose sum is σ = 19308478464. Its totient is φ = 3797841600.

The previous prime is 10100101001. The next prime is 10100101031. The reversal of 10100101010 is 1010100101.

It is a Harshad number since it is a multiple of its sum of digits (5).

10100101010 is a modest number, since divided by 101010 gives 10100 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10100100985 and 10100101003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2544047 + ... + 2548013.

It is an arithmetic number, because the mean of its divisors is an integer number (301694976).

Almost surely, 210100101010 is an apocalyptic number.

10100101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10100101010 is a deficient number, since it is larger than the sum of its proper divisors (9208377454).

10100101010 is a wasteful number, since it uses less digits than its factorization.

10100101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 10100101010 its reverse (1010100101), we get a palindrome (11110201111).

Subtracting from 10100101010 its reverse (1010100101), we obtain a palindrome (9090000909).

The spelling of 10100101010 in words is "ten billion, one hundred million, one hundred one thousand, ten".

Divisors: 1 2 5 10 31 43 62 86 155 191 215 310 382 430 955 1333 1910 2666 3967 5921 6665 7934 8213 11842 13330 16426 19835 29605 39670 41065 59210 82130 122977 170581 245954 254603 341162 509206 614885 757697 852905 1229770 1273015 1515394 1705810 2546030 3788485 5288011 7576970 10576022 23488607 26440055 32580971 46977214 52880110 65161942 117443035 162904855 234886070 325809710 1010010101 2020020202 5050050505 10100101010