Search a number
-
+
10200122010 = 23251315755529
BaseRepresentation
bin10010111111111100…
…11000001010011010
3222022212022212220200
421133332120022122
5131342212401020
64404052003030
7510524415021
oct113776301232
928285285820
1010200122010
114364780701
121b88000476
13c672b8170
146ca9778b8
153ea73d590
hex25ff9829a

10200122010 has 96 divisors (see below), whose sum is σ = 28742772240. Its totient is φ = 2494761984.

The previous prime is 10200122003. The next prime is 10200122011. The reversal of 10200122010 is 1022100201.

It can be written as a sum of positive squares in 8 ways, for example, as 35247969 + 10164874041 = 5937^2 + 100821^2 .

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 = 10200121983 and 10200122001.

It is not an unprimeable number, because it can be changed into a prime (10200122011) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 155926 + ... + 211454.

Almost surely, 210200122010 is an apocalyptic number.

10200122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10200122010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14371386120).

10200122010 is an abundant number, since it is smaller than the sum of its proper divisors (18542650230).

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

10200122010 is a wasteful number, since it uses less digits than its factorization.

10200122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55712 (or 55709 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10200122010 its reverse (1022100201), we get a palindrome (11222222211).

The spelling of 10200122010 in words is "ten billion, two hundred million, one hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 157 195 234 314 390 471 585 785 942 1170 1413 1570 2041 2355 2826 4082 4710 6123 7065 10205 12246 14130 18369 20410 30615 36738 55529 61230 91845 111058 166587 183690 277645 333174 499761 555290 721877 832935 999522 1443754 1665870 2165631 2498805 3609385 4331262 4997610 6496893 7218770 8718053 10828155 12993786 17436106 21656310 26154159 32484465 43590265 52308318 64968930 78462477 87180530 113334689 130770795 156924954 226669378 261541590 340004067 392312385 566673445 680008134 784624770 1020012201 1133346890 1700020335 2040024402 3400040670 5100061005 10200122010