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30977279124 = 22311892636813
BaseRepresentation
bin11100110110011000…
…111100010010010100
32221221212012211022020
4130312120330102110
51001420140412444
622121502333140
72144434346061
oct346630742224
987855184266
1030977279124
1112156959330
12600628a1b0
132bc89a857c
1416dc15dc68
15c1481d119
hex73663c494

30977279124 has 48 divisors (see below), whose sum is σ = 79737255360. Its totient is φ = 9281578240.

The previous prime is 30977279119. The next prime is 30977279171. The reversal of 30977279124 is 42197277903.

It is a super-3 number, since 3×309772791243 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306659 + ... + 1330154.

It is an arithmetic number, because the mean of its divisors is an integer number (1661192820).

Almost surely, 230977279124 is an apocalyptic number.

It is an amenable number.

30977279124 is an abundant number, since it is smaller than the sum of its proper divisors (48759976236).

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

30977279124 is a wasteful number, since it uses less digits than its factorization.

30977279124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636920 (or 2636918 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 51.

The spelling of 30977279124 in words is "thirty billion, nine hundred seventy-seven million, two hundred seventy-nine thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 89 132 178 267 356 534 979 1068 1958 2937 3916 5874 11748 2636813 5273626 7910439 10547252 15820878 29004943 31641756 58009886 87014829 116019772 174029658 234676357 348059316 469352714 704029071 938705428 1408058142 2581439927 2816116284 5162879854 7744319781 10325759708 15488639562 30977279124