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138514068450470 = 25107286609451669
BaseRepresentation
bin11111011111101001010001…
…110110001010110010100110
3200011102211000120212201211202
4133133221101312022302212
5121123403303010403340
61210332252401002502
741114211512360066
oct3737512166126246
9604384016781752
10138514068450470
1140153539649a29
1213650b55323432
135c39a88b513cb
14262c18c2753a6
151103107296c15
hex7dfa51d8aca6

138514068450470 has 32 divisors (see below), whose sum is σ = 251656901632800. Its totient is φ = 54887504749056.

The previous prime is 138514068450419. The next prime is 138514068450479. The reversal of 138514068450470 is 74054860415831.

138514068450470 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1385140684504702 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138514068450479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306445796 + ... + 306897464.

It is an arithmetic number, because the mean of its divisors is an integer number (7864278176025).

Almost surely, 2138514068450470 is an apocalyptic number.

138514068450470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138514068450470 is a deficient number, since it is larger than the sum of its proper divisors (113142833182330).

138514068450470 is a wasteful number, since it uses less digits than its factorization.

138514068450470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738392.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 138514068450470 in words is "one hundred thirty-eight trillion, five hundred fourteen billion, sixty-eight million, four hundred fifty thousand, four hundred seventy".

Divisors: 1 2 5 10 107 214 535 1070 286609 451669 573218 903338 1433045 2258345 2866090 4516690 30667163 48328583 61334326 96657166 153335815 241642915 306671630 483285830 129452400421 258904800842 647262002105 1294524004210 13851406845047 27702813690094 69257034225235 138514068450470