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2750111420 = 22571710910601
BaseRepresentation
bin1010001111101011…
…0101111010111100
321002122211010122112
42203322311322330
521113012031140
61132520233152
7125102363360
oct24372657274
97078733575
102750111420
111191403461
1264900b7b8
1334a9b0784
141c13592a0
15111682c65
hexa3eb5ebc

2750111420 has 96 divisors (see below), whose sum is σ = 7053298560. Its totient is φ = 879206400.

The previous prime is 2750111393. The next prime is 2750111453. The reversal of 2750111420 is 241110572.

It is a super-2 number, since 2×27501114202 = 15126225644828832800, which contains 22 as substring.

It is a congruent number.

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, 254120 + ... + 264720.

It is an arithmetic number, because the mean of its divisors is an integer number (73471860).

Almost surely, 22750111420 is an apocalyptic number.

2750111420 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 2750111420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3526649280).

2750111420 is an abundant number, since it is smaller than the sum of its proper divisors (4303187140).

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

2750111420 is a wasteful number, since it uses less digits than its factorization.

2750111420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10743 (or 10741 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2750111420 is about 52441.5047457641. The cubic root of 2750111420 is about 1401.0385864796.

Adding to 2750111420 its reverse (241110572), we get a palindrome (2991221992).

The spelling of 2750111420 in words is "two billion, seven hundred fifty million, one hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 109 119 140 170 218 238 340 436 476 545 595 763 1090 1190 1526 1853 2180 2380 3052 3706 3815 7412 7630 9265 10601 12971 15260 18530 21202 25942 37060 42404 51884 53005 64855 74207 106010 129710 148414 180217 212020 259420 296828 360434 371035 720868 742070 901085 1155509 1261519 1484140 1802170 2311018 2523038 3604340 4622036 5046076 5777545 6307595 8088563 11555090 12615190 16177126 19643653 23110180 25230380 32354252 39287306 40442815 78574612 80885630 98218265 137505571 161771260 196436530 275011142 392873060 550022284 687527855 1375055710 2750111420