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10021020331010 = 2513218132760209
BaseRepresentation
bin1001000111010011001101…
…0110110110110000000010
31022111000000010200201002112
42101310303112312300002
52303141022201043020
633151332043415322
72052665140250213
oct221646326666002
938430003621075
1010021020331010
113213988802907
12115a183524542
13578c9403b300
1426903cb3540a
15125a0a5592c5
hex91d335b6c02

10021020331010 has 48 divisors (see below), whose sum is σ = 19640007976680. Its totient is φ = 3679626562560.

The previous prime is 10021020331001. The next prime is 10021020331079. The reversal of 10021020331010 is 1013302012001.

It can be written as a sum of positive squares in 12 ways, for example, as 135108440041 + 9885911890969 = 367571^2 + 3144187^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16074215 + ... + 16685994.

Almost surely, 210021020331010 is an apocalyptic number.

10021020331010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021020331010 is a deficient number, since it is larger than the sum of its proper divisors (9618987645670).

10021020331010 is a wasteful number, since it uses less digits than its factorization.

10021020331010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32760423 (or 32760410 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10021020331010 its reverse (1013302012001), we get a palindrome (11034322343011).

The spelling of 10021020331010 in words is "ten trillion, twenty-one billion, twenty million, three hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 13 26 65 130 169 181 338 362 845 905 1690 1810 2353 4706 11765 23530 30589 61178 152945 305890 32760209 65520418 163801045 327602090 425882717 851765434 2129413585 4258827170 5536475321 5929597829 11072950642 11859195658 27682376605 29647989145 55364753210 59295978290 77084771777 154169543554 385423858885 770847717770 1002102033101 2004204066202 5010510165505 10021020331010