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2213028755 = 57431470451
BaseRepresentation
bin1000001111101000…
…0010001110010011
312201020012111201222
42003322002032103
514013013410010
61003332515255
7105561301610
oct20372021623
95636174658
102213028755
11a36219293
1251917bb2b
13293643992
1416dcad507
15ce442355
hex83e82393

2213028755 has 16 divisors (see below), whose sum is σ = 3105594624. Its totient is φ = 1482213600.

The previous prime is 2213028739. The next prime is 2213028757. The reversal of 2213028755 is 5578203122.

It is not a de Polignac number, because 2213028755 - 24 = 2213028739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213028757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733721 + ... + 736730.

It is an arithmetic number, because the mean of its divisors is an integer number (194099664).

Almost surely, 22213028755 is an apocalyptic number.

2213028755 is a deficient number, since it is larger than the sum of its proper divisors (892565869).

2213028755 is a wasteful number, since it uses less digits than its factorization.

2213028755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470506.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 2213028755 is about 47042.8395720326. The cubic root of 2213028755 is about 1303.1538326733.

The spelling of 2213028755 in words is "two billion, two hundred thirteen million, twenty-eight thousand, seven hundred fifty-five".

Divisors: 1 5 7 35 43 215 301 1505 1470451 7352255 10293157 51465785 63229393 316146965 442605751 2213028755