Search a number
-
+
101010110101011 = 3237412457735431
BaseRepresentation
bin10110111101111000111111…
…101110110011011000010011
3111020122110202020200022002100
4112331320333232303120103
5101214422201141213021
6554455223131451443
730163511456265366
oct2675707756633023
9436573666608070
10101010110101011
112a204168907651
12b3b45295b6b83
13444929bb6b277
141ad2cb5c7c0dd
15ba27888e1626
hex5bde3fbb3613

101010110101011 has 24 divisors (see below), whose sum is σ = 149847397056864. Its totient is φ = 65519823473280.

The previous prime is 101010110101007. The next prime is 101010110101067. The reversal of 101010110101011 is 110101011010101.

It is not a de Polignac number, because 101010110101011 - 22 = 101010110101007 is a prime.

It is a super-4 number, since 4×1010101101010114 (a number of 57 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101010110100984 and 101010110101002.

It is not an unprimeable number, because it can be changed into a prime (101010110101001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136980466 + ... + 137715896.

It is an arithmetic number, because the mean of its divisors is an integer number (6243641544036).

Almost surely, 2101010110101011 is an apocalyptic number.

101010110101011 is a deficient number, since it is larger than the sum of its proper divisors (48837286955853).

101010110101011 is a wasteful number, since it uses less digits than its factorization.

101010110101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147931 (or 1147928 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 101010110101011 its reverse (110101011010101), we get a palindrome (211111121111112).

The spelling of 101010110101011 in words is "one hundred one trillion, ten billion, one hundred ten million, one hundred one thousand, eleven".

Divisors: 1 3 9 37 111 333 412457 735431 1237371 2206293 3712113 6618879 15260909 27210947 45782727 81632841 137348181 244898523 303333663967 910000991901 2730002975703 11223345566779 33670036700337 101010110101011