Search a number
-
+
10101021021010 = 252997359083577
BaseRepresentation
bin1001001011111101001111…
…0001010001001101010010
31022202122111112002211121001
42102333103301101031102
52310443342340133020
633252202304052214
72061526501014403
oct222772361211522
938678445084531
1010101021021010
113244901040337
12117178b60406a
135836a33551ba
1426cc6ba0d9aa
15127b3db1250a
hex92fd3c51352

10101021021010 has 32 divisors (see below), whose sum is σ = 19002702947760. Its totient is φ = 3860866609152.

The previous prime is 10101021020969. The next prime is 10101021021017. The reversal of 10101021021010 is 1012012010101.

10101021021010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1592616236121 + 8508404784889 = 1261989^2 + 2916917^2 .

It is a super-2 number, since 2×101010210210102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10101021021017) 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, 179513659 + ... + 179569918.

Almost surely, 210101021021010 is an apocalyptic number.

10101021021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101021021010 is a deficient number, since it is larger than the sum of its proper divisors (8901681926750).

10101021021010 is a wasteful number, since it uses less digits than its factorization.

10101021021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359083710.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10101021021010 its reverse (1012012010101), we get a palindrome (11113033031111).

The spelling of 10101021021010 in words is "ten trillion, one hundred one billion, twenty-one million, twenty-one thousand, ten".

Divisors: 1 2 5 10 29 58 97 145 194 290 485 970 2813 5626 14065 28130 359083577 718167154 1795417885 3590835770 10413423733 20826847466 34831106969 52067118665 69662213938 104134237330 174155534845 348311069690 1010102102101 2020204204202 5050510510505 10101021021010