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2150886220 = 225737419991
BaseRepresentation
bin1000000000110011…
…1110101101001100
312112220021100012121
42000030332231030
513401111324340
6553232542324
7104205142210
oct20014765514
95486240177
102150886220
11a0413471a
125003b19a4
132837c6752
14165934940
15c8c6994a
hex8033eb4c

2150886220 has 96 divisors (see below), whose sum is σ = 5319659520. Its totient is φ = 715080960.

The previous prime is 2150886217. The next prime is 2150886271. The reversal of 2150886220 is 226880512.

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, 2169925 + ... + 2170915.

It is an arithmetic number, because the mean of its divisors is an integer number (55413120).

Almost surely, 22150886220 is an apocalyptic number.

2150886220 is a gapful number since it is divisible by the number (20) 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 2150886220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2659829760).

2150886220 is an abundant number, since it is smaller than the sum of its proper divisors (3168773300).

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

2150886220 is a wasteful number, since it uses less digits than its factorization.

2150886220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 2150886220 is about 46377.6478489369. The cubic root of 2150886220 is about 1290.8401913928.

The spelling of 2150886220 in words is "two billion, one hundred fifty million, eight hundred eighty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 70 74 140 148 185 259 370 419 518 740 838 991 1036 1295 1676 1982 2095 2590 2933 3964 4190 4955 5180 5866 6937 8380 9910 11732 13874 14665 15503 19820 27748 29330 31006 34685 36667 58660 62012 69370 73334 77515 108521 138740 146668 155030 183335 217042 256669 310060 366670 415229 434084 513338 542605 733340 830458 1026676 1085210 1283345 1660916 2076145 2170420 2566690 2906603 4152290 5133380 5813206 8304580 11626412 14533015 15363473 29066030 30726946 58132060 61453892 76817365 107544311 153634730 215088622 307269460 430177244 537721555 1075443110 2150886220