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21152530025334 = 23210313783278333
BaseRepresentation
bin1001100111100111101010…
…00010011100101101110110
32202220011101012001001022100
410303303311002130231312
510233030340141302314
6112553201012242530
74312135261423221
oct463636502345566
982804335031270
1021152530025334
116815812832604
122457603610446
13ba58a1041826
14531b060805b8
1526a35c388c09
hex133cf509cb76

21152530025334 has 48 divisors (see below), whose sum is σ = 46613215333152. Its totient is φ = 6931422129024.

The previous prime is 21152530025287. The next prime is 21152530025359. The reversal of 21152530025334 is 43352003525112.

21152530025334 is a `hidden beast` number, since 2 + 1 + 15 + 2 + 5 + 300 + 2 + 5 + 334 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41385169 + ... + 41893164.

It is an arithmetic number, because the mean of its divisors is an integer number (971108652774).

Almost surely, 221152530025334 is an apocalyptic number.

21152530025334 is an abundant number, since it is smaller than the sum of its proper divisors (25460685307818).

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

21152530025334 is a wasteful number, since it uses less digits than its factorization.

21152530025334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83278581 (or 83278578 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 21152530025334 in words is "twenty-one trillion, one hundred fifty-two billion, five hundred thirty million, twenty-five thousand, three hundred thirty-four".

Divisors: 1 2 3 6 9 18 103 137 206 274 309 411 618 822 927 1233 1854 2466 14111 28222 42333 84666 126999 253998 83278333 166556666 249834999 499669998 749504997 1499009994 8577668299 11409131621 17155336598 22818263242 25733004897 34227394863 51466009794 68454789726 77199014691 102682184589 154398029382 205364369178 1175140556963 2350281113926 3525421670889 7050843341778 10576265012667 21152530025334