Search a number
-
+
10212102012100 = 2252155365757257
BaseRepresentation
bin1001010010011011000010…
…1101100111110011000100
31100011021012221120211222011
42110212300231213303010
52314303341103341400
633415212551144004
72102541256610362
oct224466055476304
940137187524864
1010212102012100
113287a233a200a
12118b210375004
13590cc67a87b1
142743a85c4632
1512a990a888ba
hex949b0b67cc4

10212102012100 has 36 divisors (see below), whose sum is σ = 22174531028244. Its totient is φ = 4082210452480.

The previous prime is 10212102012041. The next prime is 10212102012103. The reversal of 10212102012100 is 121020121201.

It can be written as a sum of positive squares in 6 ways, for example, as 4107407502276 + 6104694509824 = 2026674^2 + 2470768^2 .

It is not an unprimeable number, because it can be changed into a prime (10212102012103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32723329 + ... + 33033928.

It is an arithmetic number, because the mean of its divisors is an integer number (615959195229).

Almost surely, 210212102012100 is an apocalyptic number.

10212102012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212102012100 is an abundant number, since it is smaller than the sum of its proper divisors (11962429016144).

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

10212102012100 is a wasteful number, since it uses less digits than its factorization.

10212102012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65758824 (or 65758817 counting only the distinct ones).

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

Adding to 10212102012100 its reverse (121020121201), we get a palindrome (10333122133301).

The spelling of 10212102012100 in words is "ten trillion, two hundred twelve billion, one hundred two million, twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1553 3106 6212 7765 15530 31060 38825 77650 155300 65757257 131514514 263029028 328786285 657572570 1315145140 1643931425 3287862850 6575725700 102121020121 204242040242 408484080484 510605100605 1021210201210 2042420402420 2553025503025 5106051006050 10212102012100