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10102145250 = 235389151343
BaseRepresentation
bin10010110100010001…
…01000000011100010
3222002000222011001210
421122020220003202
5131142122122000
64350232010550
7505224550341
oct113210500342
928060864053
1010102145250
11431444127a
121b5b230a56
13c4cc02552
146bb951b58
153e1d38350
hex25a2280e2

10102145250 has 64 divisors (see below), whose sum is σ = 25498437120. Its totient is φ = 2663619200.

The previous prime is 10102145239. The next prime is 10102145293. The reversal of 10102145250 is 5254120101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8922 + ... + 142421.

It is an arithmetic number, because the mean of its divisors is an integer number (398413080).

Almost surely, 210102145250 is an apocalyptic number.

10102145250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10102145250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12749218560).

10102145250 is an abundant number, since it is smaller than the sum of its proper divisors (15396291870).

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

10102145250 is a wasteful number, since it uses less digits than its factorization.

10102145250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151452 (or 151442 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 10102145250 its reverse (5254120101), we get a palindrome (15356265351).

The spelling of 10102145250 in words is "ten billion, one hundred two million, one hundred forty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 89 125 150 178 250 267 375 445 534 750 890 1335 2225 2670 4450 6675 11125 13350 22250 33375 66750 151343 302686 454029 756715 908058 1513430 2270145 3783575 4540290 7567150 11350725 13469527 18917875 22701450 26939054 37835750 40408581 56753625 67347635 80817162 113507250 134695270 202042905 336738175 404085810 673476350 1010214525 1683690875 2020429050 3367381750 5051072625 10102145250