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142215333250 = 253738393887
BaseRepresentation
bin1000010001110010110…
…0011100010110000010
3111121002020020110122211
42010130230130112002
54312224111131000
6145155520052334
713163141246554
oct2043454342602
9447066213584
10142215333250
1155349936871
122368b7640aa
1310545831883
146c5193b4d4
153a7546b7ba
hex211cb1c582

142215333250 has 64 divisors (see below), whose sum is σ = 273128454144. Its totient is φ = 55430294400.

The previous prime is 142215333199. The next prime is 142215333251. The reversal of 142215333250 is 52333512241.

It is a super-2 number, since 2×1422153332502 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142215333251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1467807 + ... + 1561693.

It is an arithmetic number, because the mean of its divisors is an integer number (4267632096).

Almost surely, 2142215333250 is an apocalyptic number.

142215333250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142215333250 is a deficient number, since it is larger than the sum of its proper divisors (130913120894).

142215333250 is an equidigital number, since it uses as much as digits as its factorization.

142215333250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94060 (or 94050 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 142215333250 its reverse (52333512241), we get a palindrome (194548845491).

The spelling of 142215333250 in words is "one hundred forty-two billion, two hundred fifteen million, three hundred thirty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 73 83 125 146 166 250 365 415 730 830 1825 2075 3650 4150 6059 9125 10375 12118 18250 20750 30295 60590 93887 151475 187774 302950 469435 757375 938870 1514750 2347175 4694350 6853751 7792621 11735875 13707502 15585242 23471750 34268755 38963105 68537510 77926210 171343775 194815525 342687550 389631050 568861333 856718875 974077625 1137722666 1713437750 1948155250 2844306665 5688613330 14221533325 28443066650 71107666625 142215333250