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142115451320 = 23541109795007
BaseRepresentation
bin1000010001011010111…
…1011011000110111000
3111120211021021221102002
42010112233123012320
54312023023420240
6145141551200132
713160516255603
oct2042657330670
9446737257362
10142115451320
11552a8516017
1223662216048
131052ac2ca3b
146c4257b33a
153a6b7dbd15
hex2116bdb1b8

142115451320 has 64 divisors (see below), whose sum is σ = 330564326400. Its totient is φ = 54950814720.

The previous prime is 142115451319. The next prime is 142115451323. The reversal of 142115451320 is 23154511241.

It is a happy number.

142115451320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142115451323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218744 + ... + 576263.

It is an arithmetic number, because the mean of its divisors is an integer number (5165067600).

Almost surely, 2142115451320 is an apocalyptic number.

142115451320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142115451320 is an abundant number, since it is smaller than the sum of its proper divisors (188448875080).

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

142115451320 is a wasteful number, since it uses less digits than its factorization.

142115451320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795168 (or 795164 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 142115451320 its reverse (23154511241), we get a palindrome (165269962561).

The spelling of 142115451320 in words is "one hundred forty-two billion, one hundred fifteen million, four hundred fifty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 41 82 109 164 205 218 328 410 436 545 820 872 1090 1640 2180 4360 4469 8938 17876 22345 35752 44690 89380 178760 795007 1590014 3180028 3975035 6360056 7950070 15900140 31800280 32595287 65190574 86655763 130381148 162976435 173311526 260762296 325952870 346623052 433278815 651905740 693246104 866557630 1303811480 1733115260 3466230520 3552886283 7105772566 14211545132 17764431415 28423090264 35528862830 71057725660 142115451320