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10143024140 = 2256725729453
BaseRepresentation
bin10010111001001001…
…00100010000001100
3222011212220000100202
421130210210100030
5131233103233030
64354252113032
7506232165644
oct113444442014
928155800322
1010143024140
114335522187
121b70a65778
13c58516142
146c3153524
153e5710745
hex25c92440c

10143024140 has 48 divisors (see below), whose sum is σ = 21703120992. Its totient is φ = 3980967936.

The previous prime is 10143024139. The next prime is 10143024149. The reversal of 10143024140 is 4142034101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (10143024149) 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, 329654 + ... + 359106.

It is an arithmetic number, because the mean of its divisors is an integer number (452148354).

Almost surely, 210143024140 is an apocalyptic number.

10143024140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10143024140 is an abundant number, since it is smaller than the sum of its proper divisors (11560096852).

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

10143024140 is a wasteful number, since it uses less digits than its factorization.

10143024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29786 (or 29784 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10143024140 its reverse (4142034101), we get a palindrome (14285058241).

The spelling of 10143024140 in words is "ten billion, one hundred forty-three million, twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 67 134 257 268 335 514 670 1028 1285 1340 2570 5140 17219 29453 34438 58906 68876 86095 117812 147265 172190 294530 344380 589060 1973351 3946702 7569421 7893404 9866755 15138842 19733510 30277684 37847105 39467020 75694210 151388420 507151207 1014302414 2028604828 2535756035 5071512070 10143024140