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10212253550 = 2521391469389
BaseRepresentation
bin10011000001011001…
…01001111101101110
3222100201011020020222
421200230221331232
5131403314103200
64405204011342
7511032502652
oct114054517556
928321136228
1010212253550
114370607274
121b90090b52
13c69974ca5
146cc414a62
153eb837d85
hex260b29f6e

10212253550 has 24 divisors (see below), whose sum is σ = 19131457800. Its totient is φ = 4055510880.

The previous prime is 10212253511. The next prime is 10212253553. The reversal of 10212253550 is 5535221201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212253553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727745 + ... + 741644.

It is an arithmetic number, because the mean of its divisors is an integer number (797144075).

Almost surely, 210212253550 is an apocalyptic number.

10212253550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212253550 is a deficient number, since it is larger than the sum of its proper divisors (8919204250).

10212253550 is a wasteful number, since it uses less digits than its factorization.

10212253550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469540 (or 1469535 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 10212253550 its reverse (5535221201), we get a palindrome (15747474751).

The spelling of 10212253550 in words is "ten billion, two hundred twelve million, two hundred fifty-three thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 139 278 695 1390 3475 6950 1469389 2938778 7346945 14693890 36734725 73469450 204245071 408490142 1021225355 2042450710 5106126775 10212253550