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142305236465 = 5713199131319
BaseRepresentation
bin1000010010001000001…
…1011001010111110001
3111121022111102000200112
42010202003121113301
54312420120031330
6145212451031105
713165312360220
oct2044203312761
9447274360615
10142305236465
1155395661447
12236b589b495
131055b34b742
146c5d860cb7
153a7d2c9795
hex21220d95f1

142305236465 has 32 divisors (see below), whose sum is σ = 196855971840. Its totient is φ = 96735038400.

The previous prime is 142305236441. The next prime is 142305236497. The reversal of 142305236465 is 564632503241.

It is not a de Polignac number, because 142305236465 - 218 = 142304974321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4528076 + ... + 4559394.

It is an arithmetic number, because the mean of its divisors is an integer number (6151749120).

Almost surely, 2142305236465 is an apocalyptic number.

It is an amenable number.

142305236465 is a deficient number, since it is larger than the sum of its proper divisors (54550735375).

142305236465 is a wasteful number, since it uses less digits than its factorization.

142305236465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32453.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 142305236465 in words is "one hundred forty-two billion, three hundred five million, two hundred thirty-six thousand, four hundred sixty-five".

Divisors: 1 5 7 35 131 655 917 991 4585 4955 6937 31319 34685 129821 156595 219233 649105 908747 1096165 4102789 4543735 20513945 28719523 31037129 143597615 155185645 217259903 1086299515 4065863899 20329319495 28461047293 142305236465