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142365894498 = 23297149547237
BaseRepresentation
bin1000010010010110101…
…0110010011101100010
3111121110201112202212100
42010211222302131202
54313031132110443
6145222455111230
713166650064622
oct2044552623542
9447421482770
10142365894498
1155416921753
1223712072516
131056aa99079
146c67930882
153a837ac3d3
hex2125ab2762

142365894498 has 48 divisors (see below), whose sum is σ = 313731545400. Its totient is φ = 46650774528.

The previous prime is 142365894497. The next prime is 142365894527. The reversal of 142365894498 is 894498563241.

142365894498 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 6 + 58 + 94 + 498 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 111892257009 + 30473637489 = 334503^2 + 174567^2 .

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (142365894493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13465 + ... + 533772.

Almost surely, 2142365894498 is an apocalyptic number.

142365894498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142365894498 is an abundant number, since it is smaller than the sum of its proper divisors (171365650902).

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

142365894498 is a wasteful number, since it uses less digits than its factorization.

142365894498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547491 (or 547488 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The spelling of 142365894498 in words is "one hundred forty-two billion, three hundred sixty-five million, eight hundred ninety-four thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 9 18 97 149 194 291 298 447 582 873 894 1341 1746 2682 14453 28906 43359 86718 130077 260154 547237 1094474 1641711 3283422 4925133 9850266 53081989 81538313 106163978 159245967 163076626 244614939 318491934 477737901 489229878 733844817 955475802 1467689634 7909216361 15818432722 23727649083 47455298166 71182947249 142365894498