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1021010110012 = 2217891321127711
BaseRepresentation
bin11101101101110001111…
…00011110011000111100
310121121101221122121011201
432312320330132120330
5113212012042010022
62101013502025244
7133523403512044
oct16667074363074
93547357577151
101021010110012
1136400a653582
12145a66278224
13753860102b9
14375ba94c724
151b85b00e127
hexedb8f1e63c

1021010110012 has 48 divisors (see below), whose sum is σ = 1914591893760. Its totient is φ = 474713395200.

The previous prime is 1021010109997. The next prime is 1021010110039. The reversal of 1021010110012 is 2100110101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7930837 + ... + 8058547.

It is an arithmetic number, because the mean of its divisors is an integer number (39887331120).

Almost surely, 21021010110012 is an apocalyptic number.

It is an amenable number.

1021010110012 is a deficient number, since it is larger than the sum of its proper divisors (893581783748).

1021010110012 is a wasteful number, since it uses less digits than its factorization.

1021010110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129142 (or 129140 counting only the distinct ones).

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

Adding to 1021010110012 its reverse (2100110101201), we get a palindrome (3121120211213).

The spelling of 1021010110012 in words is "one trillion, twenty-one billion, ten million, one hundred ten thousand, twelve".

Divisors: 1 2 4 17 34 68 89 178 356 1321 1513 2642 3026 5284 6052 22457 44914 89828 117569 127711 235138 255422 470276 510844 1998673 2171087 3997346 4342174 7994692 8684348 11366279 22732558 45465116 168706231 193226743 337412462 386453486 674824924 772906972 2868005927 5736011854 11472023708 15014854559 30029709118 60059418236 255252527503 510505055006 1021010110012