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131012221401142 = 21011108358519837
BaseRepresentation
bin11101110010011110101000…
…111010101111100000110110
3122011212122102222011012212121
4131302132220322233200312
5114133001012134314032
61142350103355310154
736411214656514564
oct3562365072574066
9564778388135777
10131012221401142
1138820a75554744
121283b067a4b35a
135814526823923
14244d04d7b6a34
151022dddc15a97
hex7727a8eaf836

131012221401142 has 16 divisors (see below), whose sum is σ = 198481968623952. Its totient is φ = 64851682255200.

The previous prime is 131012221401073. The next prime is 131012221401157. The reversal of 131012221401142 is 241104122210131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27021153 + ... + 31498684.

It is an arithmetic number, because the mean of its divisors is an integer number (12405123038997).

Almost surely, 2131012221401142 is an apocalyptic number.

131012221401142 is a deficient number, since it is larger than the sum of its proper divisors (67469747222810).

131012221401142 is a wasteful number, since it uses less digits than its factorization.

131012221401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58531023.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 131012221401142 its reverse (241104122210131), we get a palindrome (372116343611273).

The spelling of 131012221401142 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-one million, four hundred one thousand, one hundred forty-two".

Divisors: 1 2 101 202 11083 22166 1119383 2238766 58519837 117039674 5910503537 11821007074 648575353471 1297150706942 65506110700571 131012221401142