Search a number
-
+
1021021132132 = 221715015016649
BaseRepresentation
bin11101101101110011001…
…10100001010101100100
310121121102201101120200101
432312321212201111210
5113212022402212012
62101014534153444
7133523566266361
oct16667146412544
93547381346611
101021021132132
113640158a1671
12145a69ab2884
137538839c171
14375bc1bb468
151b85be89d57
hexedb99a1564

1021021132132 has 12 divisors (see below), whose sum is σ = 1891892097900. Its totient is φ = 480480532736.

The previous prime is 1021021132111. The next prime is 1021021132147. The reversal of 1021021132132 is 2312311201201.

It can be written as a sum of positive squares in 2 ways, for example, as 943994900836 + 77026231296 = 971594^2 + 277536^2 .

It is a super-2 number, since 2×10210211321322 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7507508257 + ... + 7507508392.

It is an arithmetic number, because the mean of its divisors is an integer number (157657674825).

Almost surely, 21021021132132 is an apocalyptic number.

It is an amenable number.

1021021132132 is a deficient number, since it is larger than the sum of its proper divisors (870870965768).

1021021132132 is a wasteful number, since it uses less digits than its factorization.

1021021132132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15015016670 (or 15015016668 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1021021132132 its reverse (2312311201201), we get a palindrome (3333332333333).

The spelling of 1021021132132 in words is "one trillion, twenty-one billion, twenty-one million, one hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 17 34 68 15015016649 30030033298 60060066596 255255283033 510510566066 1021021132132