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308003108072 = 23112318185029
BaseRepresentation
bin1000111101101100110…
…10100111010011101000
31002110000021012001010012
410132312122213103220
520021242243424242
6353254503311052
731152414136052
oct4366632472350
91073007161105
10308003108072
111096947a7900
124b83974b488
1323076bbc60a
1410c9bdb88d2
15802a0c0282
hex47b66a74e8

308003108072 has 24 divisors (see below), whose sum is σ = 634779134850. Its totient is φ = 140001412320.

The previous prime is 308003108027. The next prime is 308003108131. The reversal of 308003108072 is 270801300803.

It can be written as a sum of positive squares in only one way, i.e., 258110738116 + 49892369956 = 508046^2 + 223366^2 .

It is a super-2 number, since 2×3080031080722 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159091547 + ... + 159093482.

Almost surely, 2308003108072 is an apocalyptic number.

It is an amenable number.

308003108072 is an abundant number, since it is smaller than the sum of its proper divisors (326776026778).

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

308003108072 is a wasteful number, since it uses less digits than its factorization.

308003108072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318185057 (or 318185042 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 308003108072 its reverse (270801300803), we get a palindrome (578804408875).

The spelling of 308003108072 in words is "three hundred eight billion, three million, one hundred eight thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 318185029 636370058 1272740116 2545480232 3500035319 7000070638 14000141276 28000282552 38500388509 77000777018 154001554036 308003108072