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1020312001100 = 225272208226939
BaseRepresentation
bin11101101100011110101…
…01011001101001001100
310121112121022000222210002
432312033111121221030
5113204044333013400
62100420323103432
7133500165625100
oct16661725315114
93545538028702
101020312001100
11363791585a67
121458b0511b78
13752a44b38c2
1437551d47900
151b819ab1ed5
hexed8f559a4c

1020312001100 has 54 divisors (see below), whose sum is σ = 2575559020860. Its totient is φ = 349821255840.

The previous prime is 1020312001057. The next prime is 1020312001183. The reversal of 1020312001100 is 11002130201.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 104108570 + ... + 104118369.

Almost surely, 21020312001100 is an apocalyptic number.

1020312001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020312001100 is an abundant number, since it is smaller than the sum of its proper divisors (1555247019760).

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

1020312001100 is a wasteful number, since it uses less digits than its factorization.

1020312001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208226967 (or 208226953 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1020312001100 its reverse (11002130201), we get a palindrome (1031314131301).

The spelling of 1020312001100 in words is "one trillion, twenty billion, three hundred twelve million, one thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 140 175 196 245 350 490 700 980 1225 2450 4900 208226939 416453878 832907756 1041134695 1457588573 2082269390 2915177146 4164538780 5205673475 5830354292 7287942865 10203120011 10411346950 14575885730 20406240022 20822693900 29151771460 36439714325 40812480044 51015600055 72879428650 102031200110 145758857300 204062400220 255078000275 510156000550 1020312001100