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142322005012 = 221137109802031
BaseRepresentation
bin1000010010001100001…
…1010111010000010100
3111121100122221221210211
42010203003113100110
54312433413130022
6145214250255204
713165605040135
oct2044303272024
9447318857724
10142322005012
11553a4074950
12236bb427504
1310561970065
146c61b87c8c
153a7e9dce77
hex21230d7414

142322005012 has 48 divisors (see below), whose sum is σ = 281609475840. Its totient is φ = 62365852800.

The previous prime is 142322005009. The next prime is 142322005013. The reversal of 142322005012 is 210500223241.

It is a happy number.

It is a super-2 number, since 2×1423220050122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142322005013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223564 + ... + 578467.

It is an arithmetic number, because the mean of its divisors is an integer number (5866864080).

Almost surely, 2142322005012 is an apocalyptic number.

It is an amenable number.

142322005012 is a deficient number, since it is larger than the sum of its proper divisors (139287470828).

142322005012 is a wasteful number, since it uses less digits than its factorization.

142322005012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802192 (or 802190 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 142322005012 its reverse (210500223241), we get a palindrome (352822228253).

The spelling of 142322005012 in words is "one hundred forty-two billion, three hundred twenty-two million, five thousand, twelve".

Divisors: 1 2 4 11 22 37 44 74 109 148 218 407 436 814 1199 1628 2398 4033 4796 8066 16132 44363 88726 177452 802031 1604062 3208124 8822341 17644682 29675147 35289364 59350294 87421379 118700588 174842758 326426617 349685516 652853234 961635169 1305706468 1923270338 3234591023 3846540676 6469182046 12938364092 35580501253 71161002506 142322005012