Search a number
-
+
142231031033 = 7132397700573
BaseRepresentation
bin1000010001110110100…
…0010100110011111001
3111121010022202222222012
42010131220110303321
54312242120443113
6145201240335305
713163421546650
oct2043550246371
9447108688865
10142231031033
1155357788843
1223694a74535
1310548b699c0
146c53a66197
153a76a1caa8
hex211da14cf9

142231031033 has 32 divisors (see below), whose sum is σ = 184548005376. Its totient is φ = 106531780608.

The previous prime is 142231030993. The next prime is 142231031039. The reversal of 142231031033 is 330130132241.

It is a cyclic number.

It is not a de Polignac number, because 142231031033 - 222 = 142226836729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (142231031039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147266 + ... + 553307.

It is an arithmetic number, because the mean of its divisors is an integer number (5767125168).

Almost surely, 2142231031033 is an apocalyptic number.

142231031033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142231031033 is a deficient number, since it is larger than the sum of its proper divisors (42316974343).

142231031033 is a wasteful number, since it uses less digits than its factorization.

142231031033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700713.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 142231031033 its reverse (330130132241), we get a palindrome (472361163274).

The spelling of 142231031033 in words is "one hundred forty-two billion, two hundred thirty-one million, thirty-one thousand, thirty-three".

Divisors: 1 7 13 23 91 97 161 299 679 1261 2093 2231 8827 15617 29003 203021 700573 4904011 9107449 16113179 63752143 67955581 112792253 209471327 475689067 883422553 1466299289 1562978363 6183957871 10940848541 20318718719 142231031033