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4815243381 = 313373336967
BaseRepresentation
bin1000111110000001…
…01100100001110101
3110102120201201010110
410133000230201311
534330200242011
62113451213233
7230216615304
oct43700544165
913376651113
104815243381
112051096693
12b24747219
135b97b0950
1433972a43b
151d2b0dba6
hex11f02c875

4815243381 has 16 divisors (see below), whose sum is σ = 7101067904. Its totient is φ = 2883138624.

The previous prime is 4815243343. The next prime is 4815243409. The reversal of 4815243381 is 1833425184.

It is not a de Polignac number, because 4815243381 - 29 = 4815242869 is a prime.

It is a super-2 number, since 2×48152433812 = 46373137636528622322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4815243331) 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, 1667041 + ... + 1669926.

It is an arithmetic number, because the mean of its divisors is an integer number (443816744).

Almost surely, 24815243381 is an apocalyptic number.

It is an amenable number.

4815243381 is a deficient number, since it is larger than the sum of its proper divisors (2285824523).

4815243381 is a wasteful number, since it uses less digits than its factorization.

4815243381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337020.

The product of its digits is 92160, while the sum is 39.

The square root of 4815243381 is about 69391.9547281960. The cubic root of 4815243381 is about 1688.6491055568.

The spelling of 4815243381 in words is "four billion, eight hundred fifteen million, two hundred forty-three thousand, three hundred eighty-one".

Divisors: 1 3 13 37 39 111 481 1443 3336967 10010901 43380571 123467779 130141713 370403337 1605081127 4815243381