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142821235210 = 25172393515167
BaseRepresentation
bin1000010100000011001…
…1110001101000001010
3111122122110100110220011
42011000303301220022
54314444214011320
6145340002422134
713214146316563
oct2050063615012
9448573313804
10142821235210
115562a955995
122381a66194a
1310611215944
146cac1bd16a
153aad75305a
hex2140cf1a0a

142821235210 has 32 divisors (see below), whose sum is σ = 273339463680. Its totient is φ = 53543008512.

The previous prime is 142821235181. The next prime is 142821235237. The reversal of 142821235210 is 12532128241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1716954 + ... + 1798213.

It is an arithmetic number, because the mean of its divisors is an integer number (8541858240).

Almost surely, 2142821235210 is an apocalyptic number.

142821235210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142821235210 is a deficient number, since it is larger than the sum of its proper divisors (130518228470).

142821235210 is a wasteful number, since it uses less digits than its factorization.

142821235210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515430.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 142821235210 in words is "one hundred forty-two billion, eight hundred twenty-one million, two hundred thirty-five thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 239 478 1195 2390 4063 8126 20315 40630 3515167 7030334 17575835 35151670 59757839 119515678 298789195 597578390 840124913 1680249826 4200624565 8401249130 14282123521 28564247042 71410617605 142821235210