Search a number
-
+
142247622912 = 283185218259
BaseRepresentation
bin1000010001111010011…
…1100111100100000000
3111121011110222221202020
42010132213213210000
54312310342413122
6145203032121440
713164012562533
oct2043647474400
9447143887666
10142247622912
115536609053a
122369a536280
131054c428a95
146c55d44a1a
153a781e8c5c
hex211e9e7900

142247622912 has 36 divisors (see below), whose sum is σ = 378586123440. Its totient is φ = 47415874048.

The previous prime is 142247622887. The next prime is 142247622931. The reversal of 142247622912 is 219226742241.

It is a super-2 number, since 2×1422476229122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92608362 + ... + 92609897.

Almost surely, 2142247622912 is an apocalyptic number.

142247622912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142247622912 is an abundant number, since it is smaller than the sum of its proper divisors (236338500528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142247622912 is an equidigital number, since it uses as much as digits as its factorization.

142247622912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185218278 (or 185218264 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The spelling of 142247622912 in words is "one hundred forty-two billion, two hundred forty-seven million, six hundred twenty-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 185218259 370436518 555654777 740873036 1111309554 1481746072 2222619108 2963492144 4445238216 5926984288 8890476432 11853968576 17780952864 23707937152 35561905728 47415874304 71123811456 142247622912