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142102321101 = 321323372934871
BaseRepresentation
bin1000010001010111110…
…1010101011111001101
3111120210100120212010200
42010111331111133031
54312011143233401
6145140401524113
713160266541226
oct2042575253715
9446710525120
10142102321101
11552a10680a4
1223659943639
13105282b3490
146c4092024d
153a6a596686
hex2115f557cd

142102321101 has 96 divisors (see below), whose sum is σ = 237750170112. Its totient is φ = 81090408960.

The previous prime is 142102321091. The next prime is 142102321121. The reversal of 142102321101 is 101123201241.

142102321101 is a `hidden beast` number, since 1 + 421 + 0 + 232 + 1 + 10 + 1 = 666.

It is not a de Polignac number, because 142102321101 - 210 = 142102320077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142102321121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29170696 + ... + 29175566.

It is an arithmetic number, because the mean of its divisors is an integer number (2476564272).

Almost surely, 2142102321101 is an apocalyptic number.

It is an amenable number.

142102321101 is a deficient number, since it is larger than the sum of its proper divisors (95647849011).

142102321101 is a wasteful number, since it uses less digits than its factorization.

142102321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243 (or 5240 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 142102321101 its reverse (101123201241), we get a palindrome (243225522342).

It can be divided in two parts, 142102 and 321101, that added together give a triangular number (463203 = T962).

The spelling of 142102321101 in words is "one hundred forty-two billion, one hundred two million, three hundred twenty-one thousand, one hundred one".

Divisors: 1 3 9 13 23 37 39 69 111 117 207 293 299 333 481 851 879 897 1443 2553 2637 2691 3809 4329 4871 6739 7659 10841 11063 11427 14613 20217 32523 33189 34281 43839 60651 63323 87607 97569 99567 112033 140933 180227 189969 249343 262821 336099 422799 540681 569907 748029 788463 1008297 1268397 1427203 1456429 1622043 2244087 2342951 3241459 4145221 4281609 4369287 7028853 9724377 12435663 12844827 13107861 18553639 21086559 29173131 32825669 37306989 52806511 53887873 55660917 98477007 158419533 161663619 166982751 295431021 426733697 475258599 484990857 686484643 1214549753 1280201091 2059453929 3643649259 3840603273 6178361787 10930947777 15789146789 47367440367 142102321101