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2938194939 = 379101131937
BaseRepresentation
bin1010111100100001…
…0100101111111011
321120202201202201210
42233020110233323
522004134214224
61203315414203
7132545150001
oct25710245773
97522652653
102938194939
111278597389
1269bbb4363
1337a954ab4
141dc318a71
15122e36429
hexaf214bfb

2938194939 has 32 divisors (see below), whose sum is σ = 4041354240. Its totient is φ = 1898208000.

The previous prime is 2938194929. The next prime is 2938194947. The reversal of 2938194939 is 9394918392.

It is not a de Polignac number, because 2938194939 - 24 = 2938194923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2938194929) 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 31 ways as a sum of consecutive naturals, for example, 3135279 + ... + 3136215.

It is an arithmetic number, because the mean of its divisors is an integer number (126292320).

Almost surely, 22938194939 is an apocalyptic number.

2938194939 is a deficient number, since it is larger than the sum of its proper divisors (1103159301).

2938194939 is a wasteful number, since it uses less digits than its factorization.

2938194939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251.

The product of its digits is 3779136, while the sum is 57.

The square root of 2938194939 is about 54205.1191217213. The cubic root of 2938194939 is about 1432.2765081134.

The spelling of 2938194939 in words is "two billion, nine hundred thirty-eight million, one hundred ninety-four thousand, nine hundred thirty-nine".

Divisors: 1 3 79 101 131 237 303 393 937 2811 7979 10349 13231 23937 31047 39693 74023 94637 122747 222069 283911 368241 1045249 3135747 7476323 9697013 12397447 22428969 29091039 37192341 979398313 2938194939