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11290978000 = 245319614871
BaseRepresentation
bin10101000001111111…
…01010011011010000
31002010212222010000101
422200333222123100
5141110442244000
65104220502144
7546541505131
oct124077523320
932125863011
1011290978000
11487450a985
1222313aa954
1310ac2b6a93
147917b5c88
154613b9e6a
hex2a0fea6d0

11290978000 has 160 divisors (see below), whose sum is σ = 29215630080. Its totient is φ = 4207680000.

The previous prime is 11290977977. The next prime is 11290978021. The reversal of 11290978000 is 87909211.

11290978000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 2315565 + ... + 2320435.

It is an arithmetic number, because the mean of its divisors is an integer number (182597688).

Almost surely, 211290978000 is an apocalyptic number.

11290978000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11290978000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14607815040).

11290978000 is an abundant number, since it is smaller than the sum of its proper divisors (17924652080).

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

11290978000 is a wasteful number, since it uses less digits than its factorization.

11290978000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974 (or 4958 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 11290978000 in words is "eleven billion, two hundred ninety million, nine hundred seventy-eight thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 61 76 80 95 100 122 125 152 190 200 244 250 304 305 380 400 475 488 500 610 760 950 976 1000 1159 1220 1520 1525 1900 2000 2318 2375 2440 3050 3800 4636 4750 4871 4880 5795 6100 7600 7625 9272 9500 9742 11590 12200 15250 18544 19000 19484 23180 24355 24400 28975 30500 38000 38968 46360 48710 57950 61000 77936 92549 92720 97420 115900 121775 122000 144875 185098 194840 231800 243550 289750 297131 370196 389680 462745 463600 487100 579500 594262 608875 740392 925490 974200 1159000 1188524 1217750 1480784 1485655 1850980 1948400 2313725 2318000 2377048 2435500 2971310 3701960 4627450 4754096 4871000 5645489 5942620 7403920 7428275 9254900 9742000 11290978 11568625 11885240 14856550 18509800 22581956 23137250 23770480 28227445 29713100 37019600 37141375 45163912 46274500 56454890 59426200 74282750 90327824 92549000 112909780 118852400 141137225 148565500 185098000 225819560 282274450 297131000 451639120 564548900 594262000 705686125 1129097800 1411372250 2258195600 2822744500 5645489000 11290978000