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202012310103142 = 271153201112307481
BaseRepresentation
bin101101111011101010100111…
…111110111110010001100110
3222111021012002020002221102111
4231323222213332332101212
5202434232202341300032
61553351101334431234
760356623236055240
oct5573524776762146
9874235066087374
10202012310103142
1159404a3766a8a0
121a7a7409b0251a
1388948a9cb2346
1437c563b375090
151854c0cb44c47
hexb7baa7fbe466

202012310103142 has 64 divisors (see below), whose sum is σ = 385108791648768. Its totient is φ = 77182668576000.

The previous prime is 202012310103083. The next prime is 202012310103143. The reversal of 202012310103142 is 241301013210202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012310103143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10260042 + ... + 22567522.

It is an arithmetic number, because the mean of its divisors is an integer number (6017324869512).

Almost surely, 2202012310103142 is an apocalyptic number.

202012310103142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202012310103142 is a deficient number, since it is larger than the sum of its proper divisors (183096481545626).

202012310103142 is a wasteful number, since it uses less digits than its factorization.

202012310103142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12309565.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 202012310103142 its reverse (241301013210202), we get a palindrome (443313323313344).

The spelling of 202012310103142 in words is "two hundred two trillion, twelve billion, three hundred ten million, one hundred three thousand, one hundred forty-two".

Divisors: 1 2 7 11 14 22 53 77 106 154 371 583 742 1166 2011 4022 4081 8162 14077 22121 28154 44242 106583 154847 213166 309694 746081 1172413 1492162 2344826 8206891 12307481 16413782 24614962 86152367 135382291 172304734 270764582 652296493 947676037 1304592986 1895352074 4566075451 7175261423 9132150902 14350522846 24750344291 49500688582 50226829961 100453659922 173252410037 272253787201 346504820074 544507574402 1311768247423 1905776510407 2623536494846 3811553020814 9182377731961 14429450721653 18364755463922 28858901443306 101006155051571 202012310103142