Search a number
-
+
102020102010211 = 7111969733494197
BaseRepresentation
bin10111001100100101100111…
…111100001011010101100011
3111101020000201022122022012111
4113030211213330023111203
5101332444132103311321
61000551215435340151
730326465143001140
oct2714454774132543
9441200638568174
10102020102010211
112a563533a20840
12b5382198b1657
1344c05ba2506c8
141b29b2933d3c7
15bbdb9c4685e1
hex5cc967f0b563

102020102010211 has 16 divisors (see below), whose sum is σ = 133888308860160. Its totient is φ = 75312173731680.

The previous prime is 102020102010143. The next prime is 102020102010257. The reversal of 102020102010211 is 112010201020201.

It is a cyclic number.

It is not a de Polignac number, because 102020102010211 - 225 = 102020068455779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102020102010191 and 102020102010200.

It is not an unprimeable number, because it can be changed into a prime (102020102010271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34866745636 + ... + 34866748561.

It is an arithmetic number, because the mean of its divisors is an integer number (8368019303760).

Almost surely, 2102020102010211 is an apocalyptic number.

102020102010211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102020102010211 is a deficient number, since it is larger than the sum of its proper divisors (31868206849949).

102020102010211 is a wasteful number, since it uses less digits than its factorization.

102020102010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69733494234.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102020102010211 its reverse (112010201020201), we get a palindrome (214030303030412).

The spelling of 102020102010211 in words is "one hundred two trillion, twenty billion, one hundred two million, ten thousand, two hundred eleven".

Divisors: 1 7 11 19 77 133 209 1463 69733494197 488134459379 767068436167 1324936389743 5369479053169 9274554728201 14574300287173 102020102010211