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103144143430 = 2543349168711
BaseRepresentation
bin110000000001111011…
…1101011101001000110
3100212020021220101012101
41200003313223221012
53142214400042210
6115214520542314
710311002516266
oct1400367535106
9325207811171
10103144143430
113a81a1a8649
1217ba692199a
13995a022243
144dc68697a6
152a3a2a2a3a
hex1803deba46

103144143430 has 32 divisors (see below), whose sum is σ = 190034304768. Its totient is φ = 40286047200.

The previous prime is 103144143419. The next prime is 103144143437. The reversal of 103144143430 is 34341441301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103144143437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1466775 + ... + 1535485.

It is an arithmetic number, because the mean of its divisors is an integer number (5938572024).

Almost surely, 2103144143430 is an apocalyptic number.

103144143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103144143430 is a deficient number, since it is larger than the sum of its proper divisors (86890161338).

103144143430 is a wasteful number, since it uses less digits than its factorization.

103144143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72252.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 103144143430 its reverse (34341441301), we get a palindrome (137485584731).

The spelling of 103144143430 in words is "one hundred three billion, one hundred forty-four million, one hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 3491 6982 17455 34910 68711 137422 150113 300226 343555 687110 750565 1501130 2954573 5909146 14772865 29545730 239870101 479740202 1199350505 2398701010 10314414343 20628828686 51572071715 103144143430