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2874513481 = 723731311867
BaseRepresentation
bin1010101101010101…
…1001100001001001
321102022220102012021
42223111121201021
521341333412411
61153122444441
7131142650530
oct25325314111
97368812167
102874513481
111245651584
12682803721
1336a6b9268
141d3a9d317
1511c557a71
hexab559849

2874513481 has 32 divisors (see below), whose sum is σ = 3503351808. Its totient is φ = 2305480320.

The previous prime is 2874513479. The next prime is 2874513497. The reversal of 2874513481 is 1843154782.

It is a cyclic number.

It is not a de Polignac number, because 2874513481 - 21 = 2874513479 is a prime.

It is a super-2 number, since 2×28745134812 = 16525655504901474722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2874513451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1538710 + ... + 1540576.

It is an arithmetic number, because the mean of its divisors is an integer number (109479744).

Almost surely, 22874513481 is an apocalyptic number.

It is an amenable number.

2874513481 is a deficient number, since it is larger than the sum of its proper divisors (628838327).

2874513481 is a wasteful number, since it uses less digits than its factorization.

2874513481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its digits is 215040, while the sum is 43.

The square root of 2874513481 is about 53614.4894687994. The cubic root of 2874513481 is about 1421.8532769767.

The spelling of 2874513481 in words is "two billion, eight hundred seventy-four million, five hundred thirteen thousand, four hundred eighty-one".

Divisors: 1 7 23 73 131 161 511 917 1679 1867 3013 9563 11753 13069 21091 42941 66941 136291 219949 244577 300587 954037 1539643 1712039 3134693 5625271 17854121 21942851 39376897 124978847 410644783 2874513481