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1021112011010 = 257137115804241
BaseRepresentation
bin11101101101111110000…
…01001100100100000010
310121121200001101201001202
432312333001030210002
5113212214133323020
62101031542101202
7133526051612360
oct16667701144402
93547601351052
101021112011010
11364062123283
12145a9441a802
13753a116b150
14375ca2b6630
151b864e3be75
hexedbf04c902

1021112011010 has 64 divisors (see below), whose sum is σ = 2294017334784. Its totient is φ = 318613478400.

The previous prime is 1021112010973. The next prime is 1021112011099. The reversal of 1021112011010 is 101102111201.

It is a super-2 number, since 2×10211120110102 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021112010982 and 1021112011000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7837511 + ... + 7966730.

It is an arithmetic number, because the mean of its divisors is an integer number (35844020856).

Almost surely, 21021112011010 is an apocalyptic number.

1021112011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021112011010 is an abundant number, since it is smaller than the sum of its proper divisors (1272905323774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021112011010 is a wasteful number, since it uses less digits than its factorization.

1021112011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15804339.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1021112011010 its reverse (101102111201), we get a palindrome (1122214122211).

The spelling of 1021112011010 in words is "one trillion, twenty-one billion, one hundred twelve million, eleven thousand, ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 71 91 130 142 182 355 455 497 710 910 923 994 1846 2485 4615 4970 6461 9230 12922 32305 64610 15804241 31608482 79021205 110629687 158042410 205455133 221259374 410910266 553148435 1027275665 1106296870 1122101111 1438185931 2054551330 2244202222 2876371862 5610505555 7190929655 7854707777 11221011110 14381859310 14587314443 15709415554 29174628886 39273538885 72936572215 78547077770 102111201101 145873144430 204222402202 510556005505 1021112011010