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1001211010202 = 2131712011886081
BaseRepresentation
bin11101001000111001101…
…00111001110010011010
310112201022010011010011202
432210130310321302122
5112400440004311302
62043541110354202
7132222641112014
oct16443464716232
93481263133152
101001211010202
1135667a571877
1214205b65b962
137354c146620
143665d2011b4
151b09cc29202
hexe91cd39c9a

1001211010202 has 32 divisors (see below), whose sum is σ = 1713905346384. Its totient is φ = 434552832000.

The previous prime is 1001211010187. The next prime is 1001211010207. The reversal of 1001211010202 is 2020101121001.

It can be written as a sum of positive squares in 8 ways, for example, as 336772463041 + 664438547161 = 580321^2 + 815131^2 .

It is not an unprimeable number, because it can be changed into a prime (1001211010207) 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, 412199 + ... + 1473882.

Almost surely, 21001211010202 is an apocalyptic number.

1001211010202 is a deficient number, since it is larger than the sum of its proper divisors (712694336182).

1001211010202 is a wasteful number, since it uses less digits than its factorization.

1001211010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887314.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001211010202 its reverse (2020101121001), we get a palindrome (3021312131203).

The spelling of 1001211010202 in words is "one trillion, one billion, two hundred eleven million, ten thousand, two hundred two".

Divisors: 1 2 13 17 26 34 221 442 1201 2402 15613 20417 31226 40834 265421 530842 1886081 3772162 24519053 32063377 49038106 64126754 416823901 833647802 2265183281 4530366562 29447382653 38508115777 58894765306 77016231554 500605505101 1001211010202