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2142102523 = 1141127149251
BaseRepresentation
bin111111110101101…
…1110001111111011
312112021202002020111
41333223132033323
513341334240043
6552320405151
7104040366601
oct17753361773
95467662214
102142102523
119aa185370
124b94767b7
13281a3c6b2
141646c9871
15c80d209d
hex7fade3fb

2142102523 has 32 divisors (see below), whose sum is σ = 2438553600. Its totient is φ = 1864800000.

The previous prime is 2142102517. The next prime is 2142102551. The reversal of 2142102523 is 3252012412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2142102523 - 229 = 1605231611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142102494 and 2142102503.

It is not an unprimeable number, because it can be changed into a prime (2142102593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8534148 + ... + 8534398.

It is an arithmetic number, because the mean of its divisors is an integer number (76204800).

Almost surely, 22142102523 is an apocalyptic number.

2142102523 is a deficient number, since it is larger than the sum of its proper divisors (296451077).

2142102523 is a wasteful number, since it uses less digits than its factorization.

2142102523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2142102523 is about 46282.8534448774. The cubic root of 2142102523 is about 1289.0806347229.

Adding to 2142102523 its reverse (3252012412), we get a palindrome (5394114935).

The spelling of 2142102523 in words is "two billion, one hundred forty-two million, one hundred two thousand, five hundred twenty-three".

Divisors: 1 11 41 127 149 251 451 1397 1639 2761 5207 6109 10291 18923 31877 37399 57277 67199 113201 208153 350647 411389 775843 1306957 1533359 4749673 8534273 14376527 16866949 52246403 194736593 2142102523