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2987077256 = 232921133929
BaseRepresentation
bin1011001000001011…
…0010111010001000
321201011201020122222
42302002302322020
522104142433011
61212223233212
7134010511022
oct26202627210
97634636588
102987077256
1112a3144399
126b4448808
13387b0b547
14204a01012
1512738eddb
hexb20b2e88

2987077256 has 48 divisors (see below), whose sum is σ = 5853381300. Its totient is φ = 1428912128.

The previous prime is 2987077253. The next prime is 2987077271. The reversal of 2987077256 is 6527707892.

It can be written as a sum of positive squares in 6 ways, for example, as 234396100 + 2752681156 = 15310^2 + 52466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2987077198 and 2987077207.

It is not an unprimeable number, because it can be changed into a prime (2987077253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 758300 + ... + 762228.

Almost surely, 22987077256 is an apocalyptic number.

It is an amenable number.

2987077256 is a deficient number, since it is larger than the sum of its proper divisors (2866304044).

2987077256 is a wasteful number, since it uses less digits than its factorization.

2987077256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106 (or 4073 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 53.

The square root of 2987077256 is about 54654.1604637744. The cubic root of 2987077256 is about 1440.1757205830.

The spelling of 2987077256 in words is "two billion, nine hundred eighty-seven million, seventy-seven thousand, two hundred fifty-six".

Divisors: 1 2 4 8 29 58 113 116 226 232 452 841 904 1682 3277 3364 3929 6554 6728 7858 13108 15716 26216 31432 95033 113941 190066 227882 380132 443977 455764 760264 887954 911528 1775908 3304289 3551816 6608578 12875333 13217156 25750666 26434312 51501332 103002664 373384657 746769314 1493538628 2987077256