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142020442112 = 211832713083
BaseRepresentation
bin1000010001000100010…
…0111111100000000000
3111120120122111222021112
42010101010333200000
54311324213121422
6145124314542452
713155253561043
oct2042104774000
9446518458245
10142020442112
115525992320a
1223636437a28
1310514345a83
146c33ac8c5a
153a632c0ee2
hex211113f800

142020442112 has 96 divisors (see below), whose sum is σ = 288546935040. Its totient is φ = 69873131520.

The previous prime is 142020442063. The next prime is 142020442127. The reversal of 142020442112 is 211244020241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46064123 + ... + 46067205.

It is an arithmetic number, because the mean of its divisors is an integer number (3005697240).

Almost surely, 2142020442112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142020442112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144273467520).

142020442112 is an abundant number, since it is smaller than the sum of its proper divisors (146526492928).

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

142020442112 is an equidigital number, since it uses as much as digits as its factorization.

142020442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 142020442112 its reverse (211244020241), we get a palindrome (353264462353).

The spelling of 142020442112 in words is "one hundred forty-two billion, twenty million, four hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 83 128 166 256 271 332 512 542 664 1024 1084 1328 2048 2168 2656 3083 4336 5312 6166 8672 10624 12332 17344 21248 22493 24664 34688 42496 44986 49328 69376 84992 89972 98656 138752 169984 179944 197312 255889 277504 359888 394624 511778 555008 719776 789248 835493 1023556 1439552 1578496 1670986 2047112 2879104 3156992 3341972 4094224 5758208 6313984 6683944 8188448 11516416 13367888 16376896 23032832 26735776 32753792 46065664 53471552 65507584 69345919 106943104 131015168 138691838 213886208 262030336 277383676 427772416 524060672 554767352 855544832 1109534704 1711089664 2219069408 4438138816 8876277632 17752555264 35505110528 71010221056 142020442112