Search a number
-
+
142514220630 = 235291031590383
BaseRepresentation
bin1000010010111010000…
…0100110111001010110
3111121212001122112001210
42010232200212321112
54313332120030010
6145245314202250
713203430613415
oct2045640467126
9447761575053
10142514220630
1155492620331
1223753883386
1310592730102
146c7d50147c
153a9180ab20
hex212e826e56

142514220630 has 64 divisors (see below), whose sum is σ = 357263861760. Its totient is φ = 36337047936.

The previous prime is 142514220539. The next prime is 142514220631. The reversal of 142514220630 is 36022415241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142514220631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705582 + ... + 884801.

It is an arithmetic number, because the mean of its divisors is an integer number (5582247840).

Almost surely, 2142514220630 is an apocalyptic number.

142514220630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142514220630 is an abundant number, since it is smaller than the sum of its proper divisors (214749641130).

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

142514220630 is a wasteful number, since it uses less digits than its factorization.

142514220630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590525.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 142514220630 its reverse (36022415241), we get a palindrome (178536635871).

The spelling of 142514220630 in words is "one hundred forty-two billion, five hundred fourteen million, two hundred twenty thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 103 145 174 206 290 309 435 515 618 870 1030 1545 2987 3090 5974 8961 14935 17922 29870 44805 89610 1590383 3180766 4771149 7951915 9542298 15903830 23855745 46121107 47711490 92242214 138363321 163809449 230605535 276726642 327618898 461211070 491428347 691816605 819047245 982856694 1383633210 1638094490 2457141735 4750474021 4914283470 9500948042 14251422063 23752370105 28502844126 47504740210 71257110315 142514220630