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2138957003 = 31411682893
BaseRepresentation
bin111111101111101…
…1110010011001011
312112001211021101202
41333133132103023
513340033111003
6552125134415
7104001556151
oct17737362313
95461737352
102138957003
119a8427067
124b83ba40b
132811aaa41
1416410b3d1
15c7bb0088
hex7f7de4cb

2138957003 has 8 divisors (see below), whose sum is σ = 2261809536. Its totient is φ = 2019470400.

The previous prime is 2138956993. The next prime is 2138957011. The reversal of 2138957003 is 3007598312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2138957003 - 210 = 2138955979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2138957033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840176 + ... + 842717.

It is an arithmetic number, because the mean of its divisors is an integer number (282726192).

Almost surely, 22138957003 is an apocalyptic number.

2138957003 is a deficient number, since it is larger than the sum of its proper divisors (122852533).

2138957003 is a wasteful number, since it uses less digits than its factorization.

2138957003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682965.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 2138957003 is about 46248.8594778293. The cubic root of 2138957003 is about 1288.4493522587.

The spelling of 2138957003 in words is "two billion, one hundred thirty-eight million, nine hundred fifty-seven thousand, three".

Divisors: 1 31 41 1271 1682893 52169683 68998613 2138957003