Search a number
-
+
140981968100 = 22522890148781
BaseRepresentation
bin1000001101001100101…
…1100001110011100100
3111110220021110000202002
42003103023201303210
54302212340434400
6144433300504432
713120443646031
oct2032313416344
9443807400662
10140981968100
1154876711326
12233a66ab118
13103aa1577cc
146b75c04388
153a0203eed5
hex20d32e1ce4

140981968100 has 36 divisors (see below), whose sum is σ = 305947727988. Its totient is φ = 56389680000.

The previous prime is 140981968087. The next prime is 140981968117. The reversal of 140981968100 is 1869189041.

It can be written as a sum of positive squares in 6 ways, for example, as 422960356 + 140559007744 = 20566^2 + 374912^2 .

It is a super-2 number, since 2×1409819681002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2865710 + ... + 2914490.

Almost surely, 2140981968100 is an apocalyptic number.

140981968100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140981968100 is an abundant number, since it is smaller than the sum of its proper divisors (164965759888).

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

140981968100 is a wasteful number, since it uses less digits than its factorization.

140981968100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77696 (or 77689 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 47.

The spelling of 140981968100 in words is "one hundred forty billion, nine hundred eighty-one million, nine hundred sixty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 28901 48781 57802 97562 115604 144505 195124 243905 289010 487810 578020 722525 975620 1219525 1445050 2439050 2890100 4878100 1409819681 2819639362 5639278724 7049098405 14098196810 28196393620 35245492025 70490984050 140981968100