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1111102020010 = 251571409502277
BaseRepresentation
bin10000001010110010110…
…101110101100110101010
310221012221121110211010001
4100022302311311212222
5121201014104120020
62210233324213214
7143163100224553
oct20126265654652
93835847424101
101111102020010
1139924113aa44
1215b40999a20a
1380a12ba2998
143bac5b3332a
151dd8049350a
hex102b2d759aa

1111102020010 has 32 divisors (see below), whose sum is σ = 2014154871120. Its totient is φ = 441295675392.

The previous prime is 1111102019983. The next prime is 1111102020019. The reversal of 1111102020010 is 100202011111.

It can be written as a sum of positive squares in 8 ways, for example, as 191342380329 + 919759639681 = 437427^2 + 959041^2 .

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 (1111102020019) 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, 1960992 + ... + 2463268.

Almost surely, 21111102020010 is an apocalyptic number.

1111102020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111102020010 is a deficient number, since it is larger than the sum of its proper divisors (903052851110).

1111102020010 is a wasteful number, since it uses less digits than its factorization.

1111102020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503850.

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

Adding to 1111102020010 its reverse (100202011111), we get a palindrome (1211304031121).

The spelling of 1111102020010 in words is "one trillion, one hundred eleven billion, one hundred two million, twenty thousand, ten".

Divisors: 1 2 5 10 157 314 785 1409 1570 2818 7045 14090 221213 442426 502277 1004554 1106065 2212130 2511385 5022770 78857489 157714978 394287445 707708293 788574890 1415416586 3538541465 7077082930 111110202001 222220404002 555551010005 1111102020010