Search a number
-
+
10143344440 = 2351714916683
BaseRepresentation
bin10010111001001011…
…10010011100111000
3222011220111021201201
421130211302130320
5131233144010230
64354303023544
7506235001525
oct113445623470
928156437651
1010143344440
114335720899
121b70b9abb4
13c585c8b78
146c31d814c
153e57755ca
hex25c972738

10143344440 has 32 divisors (see below), whose sum is σ = 24165028080. Its totient is φ = 3818670592.

The previous prime is 10143344399. The next prime is 10143344443. The reversal of 10143344440 is 4444334101.

It is a happy number.

10143344440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10143344399 and 10143344408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143344443) 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 7 ways as a sum of consecutive naturals, for example, 7457662 + ... + 7459021.

Almost surely, 210143344440 is an apocalyptic number.

10143344440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10143344440 is an abundant number, since it is smaller than the sum of its proper divisors (14021683640).

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

10143344440 is a wasteful number, since it uses less digits than its factorization.

10143344440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14916711 (or 14916707 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 10143344440 its reverse (4444334101), we get a palindrome (14587678541).

The spelling of 10143344440 in words is "ten billion, one hundred forty-three million, three hundred forty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 14916683 29833366 59666732 74583415 119333464 149166830 253583611 298333660 507167222 596667320 1014334444 1267918055 2028668888 2535836110 5071672220 10143344440