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3131278800970 = 25745142024947
BaseRepresentation
bin101101100100001110110…
…000101011100001001010
3102002100101012111100012211
4231210032300223201022
5402300324333112340
610354253431455334
7442141002440125
oct55441660534112
912070335440184
103131278800970
11aa7a71283a11
12426a42b2754a
131993806295a8
14ab7aa1653bc
15566b99ab5ea
hex2d90ec2b84a

3131278800970 has 16 divisors (see below), whose sum is σ = 5637058424928. Its totient is φ = 1252343390800.

The previous prime is 3131278800953. The next prime is 3131278800973. The reversal of 3131278800970 is 790088721313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3131278800973) 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 7 ways as a sum of consecutive naturals, for example, 20937964 + ... + 21086983.

It is an arithmetic number, because the mean of its divisors is an integer number (352316151558).

Almost surely, 23131278800970 is an apocalyptic number.

3131278800970 is a deficient number, since it is larger than the sum of its proper divisors (2505779623958).

3131278800970 is a wasteful number, since it uses less digits than its factorization.

3131278800970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42032405.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 3131278800970 in words is "three trillion, one hundred thirty-one billion, two hundred seventy-eight million, eight hundred thousand, nine hundred seventy".

Divisors: 1 2 5 10 7451 14902 37255 74510 42024947 84049894 210124735 420249470 313127880097 626255760194 1565639400485 3131278800970