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2907420131 = 71188742569
BaseRepresentation
bin1010110101001011…
…1011010111100011
321111121211020122002
42231102323113203
521423244421011
61200300034215
7132022443350
oct25522732743
97447736562
102907420131
111262187860
1269183296b
1337446b255
141d81c7627
151203a7c3b
hexad4bb5e3

2907420131 has 16 divisors (see below), whose sum is σ = 3629007360. Its totient is φ = 2262914880.

The previous prime is 2907420059. The next prime is 2907420149. The reversal of 2907420131 is 1310247092.

It is a cyclic number.

It is not a de Polignac number, because 2907420131 - 218 = 2907157987 is a prime.

It is a super-2 number, since 2×29074201312 = 16906183636288114322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2907420094 and 2907420103.

It is not an unprimeable number, because it can be changed into a prime (2907420161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47015 + ... + 89583.

It is an arithmetic number, because the mean of its divisors is an integer number (226812960).

Almost surely, 22907420131 is an apocalyptic number.

2907420131 is a deficient number, since it is larger than the sum of its proper divisors (721587229).

2907420131 is a wasteful number, since it uses less digits than its factorization.

2907420131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43474.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2907420131 is about 53920.4982451016. The cubic root of 2907420131 is about 1427.2583672564.

The spelling of 2907420131 in words is "two billion, nine hundred seven million, four hundred twenty thousand, one hundred thirty-one".

Divisors: 1 7 11 77 887 6209 9757 42569 68299 297983 468259 3277813 37758703 264310921 415345733 2907420131