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30550142250340 = 2254137256271037
BaseRepresentation
bin1101111001001000000100…
…11000000110110101100100
311000011120020221101201010121
412330210002120012311210
513001013142404002330
6144550312552531324
76302114001353416
oct674440230066544
9130146227351117
1030550142250340
119809273950369
1235149a49b0b44
131407b3494442b
147788c5b6c9b6
1537ea2ca0017a
hex1bc902606d64

30550142250340 has 24 divisors (see below), whose sum is σ = 65720062111032. Its totient is φ = 11922006731520.

The previous prime is 30550142250293. The next prime is 30550142250343. The reversal of 30550142250340 is 4305224105503.

It can be written as a sum of positive squares in 4 ways, for example, as 780918620416 + 29769223629924 = 883696^2 + 5456118^2 .

It is a super-2 number, since 2×305501422503402 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30550142250296 and 30550142250305.

It is not an unprimeable number, because it can be changed into a prime (30550142250343) 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 7 ways as a sum of consecutive naturals, for example, 18628134699 + ... + 18628136338.

It is an arithmetic number, because the mean of its divisors is an integer number (2738335921293).

Almost surely, 230550142250340 is an apocalyptic number.

It is an amenable number.

30550142250340 is an abundant number, since it is smaller than the sum of its proper divisors (35169919860692).

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

30550142250340 is a wasteful number, since it uses less digits than its factorization.

30550142250340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37256271087 (or 37256271085 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 30550142250340 its reverse (4305224105503), we get a palindrome (34855366355843).

The spelling of 30550142250340 in words is "thirty trillion, five hundred fifty billion, one hundred forty-two million, two hundred fifty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 37256271037 74512542074 149025084148 186281355185 372562710370 745125420740 1527507112517 3055014225034 6110028450068 7637535562585 15275071125170 30550142250340