Search a number
-
+
142377043220 = 2257118852161
BaseRepresentation
bin1000010010011001010…
…1010100010100010100
3111121111111112012000222
42010212111110110110
54313042010340340
6145223534053512
713200143620316
oct2044625242424
9447444465028
10142377043220
1155422146975
122371594a298
13105701a0749
146c691d37b6
153a847608b5
hex2126554514

142377043220 has 12 divisors (see below), whose sum is σ = 298991790804. Its totient is φ = 56950817280.

The previous prime is 142377043219. The next prime is 142377043253. The reversal of 142377043220 is 22340773241.

It can be written as a sum of positive squares in 2 ways, for example, as 25272096784 + 117104946436 = 158972^2 + 342206^2 .

It is a congruent number.

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, 3559426061 + ... + 3559426100.

It is an arithmetic number, because the mean of its divisors is an integer number (24915982567).

Almost surely, 2142377043220 is an apocalyptic number.

142377043220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142377043220 is an abundant number, since it is smaller than the sum of its proper divisors (156614747584).

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

142377043220 is a wasteful number, since it uses less digits than its factorization.

142377043220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118852170 (or 7118852168 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 142377043220 in words is "one hundred forty-two billion, three hundred seventy-seven million, forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 7118852161 14237704322 28475408644 35594260805 71188521610 142377043220