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137765704420 = 22519341398623
BaseRepresentation
bin1000000001001101111…
…0011101001011100100
3111011121010110220102001
42000103132131023210
54224121010020140
6143142205055044
712644651111011
oct2002336351344
9434533426361
10137765704420
115347616a873
1222849557484
13ccb6a133c6
14694c9c4708
1538b49cce9a
hex201379d2e4

137765704420 has 48 divisors (see below), whose sum is σ = 290910977280. Its totient is φ = 54801156096.

The previous prime is 137765704403. The next prime is 137765704421. The reversal of 137765704420 is 24407567731.

It is not an unprimeable number, because it can be changed into a prime (137765704421) by changing a digit.

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, 15972229 + ... + 15980851.

It is an arithmetic number, because the mean of its divisors is an integer number (6060645360).

Almost surely, 2137765704420 is an apocalyptic number.

137765704420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137765704420 is an abundant number, since it is smaller than the sum of its proper divisors (153145272860).

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

137765704420 is a wasteful number, since it uses less digits than its factorization.

137765704420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12964 (or 12962 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 137765704420 in words is "one hundred thirty-seven billion, seven hundred sixty-five million, seven hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 4139 8278 8623 16556 17246 20695 34492 41390 43115 82780 86230 172460 798827 1597654 1664239 3195308 3328478 3994135 6656956 7988270 8321195 15976540 16642390 33284780 35690597 71381194 142762388 178452985 356905970 713811940 6888285221 13776570442 27553140884 34441426105 68882852210 137765704420