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142441031144 = 23195771624111
BaseRepresentation
bin1000010010101000100…
…1011010010111101000
3111121122221221002222002
42010222021122113220
54313204400444034
6145234141350132
713201551534116
oct2045211322750
9447587832862
10142441031144
1155455280a55
1223733268348
1310580515919
146c738ccab6
153a8a19ee7e
hex212a25a5e8

142441031144 has 32 divisors (see below), whose sum is σ = 281621020800. Its totient is φ = 67355089920.

The previous prime is 142441031119. The next prime is 142441031149. The reversal of 142441031144 is 441130144241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142441031149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724352 + ... + 899759.

It is an arithmetic number, because the mean of its divisors is an integer number (8800656900).

Almost surely, 2142441031144 is an apocalyptic number.

It is an amenable number.

142441031144 is a deficient number, since it is larger than the sum of its proper divisors (139179989656).

142441031144 is a wasteful number, since it uses less digits than its factorization.

142441031144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624713 (or 1624709 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 142441031144 its reverse (441130144241), we get a palindrome (583571175385).

The spelling of 142441031144 in words is "one hundred forty-two billion, four hundred forty-one million, thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 19 38 76 152 577 1154 2308 4616 10963 21926 43852 87704 1624111 3248222 6496444 12992888 30858109 61716218 123432436 246864872 937112047 1874224094 3748448188 7496896376 17805128893 35610257786 71220515572 142441031144