Search a number
-
+
142402465645 = 51167250315439
BaseRepresentation
bin1000010010011111011…
…0010010111101101101
3111121120021100210001021
42010213312102331231
54313120012400040
6145230243014141
713200602662216
oct2044766227555
9447507323037
10142402465645
1155435530140
122372236a351
1310575531cbb
146c6c73040d
153a86ad324a
hex2127d92f6d

142402465645 has 32 divisors (see below), whose sum is σ = 189287976960. Its totient is φ = 101972312640.

The previous prime is 142402465607. The next prime is 142402465661. The reversal of 142402465645 is 546564204241.

It is not a de Polignac number, because 142402465645 - 213 = 142402457453 is a prime.

It is a super-3 number, since 3×1424024656453 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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, 9215836 + ... + 9231274.

It is an arithmetic number, because the mean of its divisors is an integer number (5915249280).

Almost surely, 2142402465645 is an apocalyptic number.

It is an amenable number.

142402465645 is a deficient number, since it is larger than the sum of its proper divisors (46885511315).

142402465645 is a wasteful number, since it uses less digits than its factorization.

142402465645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025.

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 142402465645 its reverse (546564204241), we get a palindrome (688966669886).

The spelling of 142402465645 in words is "one hundred forty-two billion, four hundred two million, four hundred sixty-five thousand, six hundred forty-five".

Divisors: 1 5 11 55 67 335 737 2503 3685 12515 15439 27533 77195 137665 167701 169829 838505 849145 1034413 1844711 5172065 9223555 11378543 38643817 56892715 193219085 425081987 2125409935 2589135739 12945678695 28480493129 142402465645