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2135246250 = 23541793181
BaseRepresentation
bin111111101000101…
…0100010110101010
312111210211202012110
41333101110112222
513333110340000
6551513423150
7103625202504
oct17721242652
95453752173
102135246250
119a6322125
124b710aab6
132804aba27
14163822d74
15c76ca850
hex7f4545aa

2135246250 has 80 divisors (see below), whose sum is σ = 5367906720. Its totient is φ = 566040000.

The previous prime is 2135246233. The next prime is 2135246273. The reversal of 2135246250 is 526425312.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 669660 + ... + 672840.

It is an arithmetic number, because the mean of its divisors is an integer number (67098834).

Almost surely, 22135246250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135246250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2683953360).

2135246250 is an abundant number, since it is smaller than the sum of its proper divisors (3232660470).

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

2135246250 is a wasteful number, since it uses less digits than its factorization.

2135246250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385 (or 3370 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2135246250 is about 46208.7248255132. The cubic root of 2135246250 is about 1287.7038355125.

The spelling of 2135246250 in words is "two billion, one hundred thirty-five million, two hundred forty-six thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 179 250 358 375 537 625 750 895 1074 1250 1790 1875 2685 3181 3750 4475 5370 6362 8950 9543 13425 15905 19086 22375 26850 31810 44750 47715 67125 79525 95430 111875 134250 159050 223750 238575 335625 397625 477150 569399 671250 795250 1138798 1192875 1708197 1988125 2385750 2846995 3416394 3976250 5693990 5964375 8540985 11928750 14234975 17081970 28469950 42704925 71174875 85409850 142349750 213524625 355874375 427049250 711748750 1067623125 2135246250