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10102122021213 = 321122458002357
BaseRepresentation
bin1001001100000001010101…
…1001010000000101011101
31022202202100020211102221100
42103000111121100011131
52311003121214134323
633252503434223313
72061566000244465
oct223002531200535
938682306742840
1010102122021213
113245316579062
121171a38284b39
1358381a496201
1426cd33d2cba5
15127ba55e4943
hex9301565015d

10102122021213 has 6 divisors (see below), whose sum is σ = 14591954030654. Its totient is φ = 6734748014136.

The previous prime is 10102122021203. The next prime is 10102122021289. The reversal of 10102122021213 is 31212022120101.

It can be written as a sum of positive squares in only one way, i.e., 7998641706969 + 2103480314244 = 2828187^2 + 1450338^2 .

It is not a de Polignac number, because 10102122021213 - 26 = 10102122021149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102122021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561229001170 + ... + 561229001187.

Almost surely, 210102122021213 is an apocalyptic number.

It is an amenable number.

10102122021213 is a deficient number, since it is larger than the sum of its proper divisors (4489832009441).

10102122021213 is a wasteful number, since it uses less digits than its factorization.

10102122021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122458002363 (or 1122458002360 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10102122021213 its reverse (31212022120101), we get a palindrome (41314144141314).

The spelling of 10102122021213 in words is "ten trillion, one hundred two billion, one hundred twenty-two million, twenty-one thousand, two hundred thirteen".

Divisors: 1 3 9 1122458002357 3367374007071 10102122021213