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1020420012310 = 25401565744983
BaseRepresentation
bin11101101100101011100…
…01011011100100010110
310121112212211021112022021
432312111301123210112
5113204310010343220
62100435142123354
7133502646664426
oct16662561334426
93545784245267
101020420012310
11363837549426
1214592072055a
13752c09a096a
1437562422486
151b8242ea4aa
hexed95c5b916

1020420012310 has 32 divisors (see below), whose sum is σ = 1841702899392. Its totient is φ = 407069107200.

The previous prime is 1020420012281. The next prime is 1020420012317. The reversal of 1020420012310 is 132100240201.

It is a super-2 number, since 2×10204200123102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020420012317) 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, 22662079 + ... + 22707061.

It is an arithmetic number, because the mean of its divisors is an integer number (57553215606).

Almost surely, 21020420012310 is an apocalyptic number.

1020420012310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020420012310 is a deficient number, since it is larger than the sum of its proper divisors (821282887082).

1020420012310 is a wasteful number, since it uses less digits than its factorization.

1020420012310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51048.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1020420012310 its reverse (132100240201), we get a palindrome (1152520252511).

The spelling of 1020420012310 in words is "one trillion, twenty billion, four hundred twenty million, twelve thousand, three hundred ten".

Divisors: 1 2 5 10 401 802 2005 4010 5657 11314 28285 44983 56570 89966 224915 449830 2268457 4536914 11342285 18038183 22684570 36076366 90190915 180381830 254468831 508937662 1272344155 2544688310 102042001231 204084002462 510210006155 1020420012310