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21050144510094 = 2327784672129107
BaseRepresentation
bin1001100100101000111100…
…11000101101000010001110
32202112101002202121222100100
410302110132120231002032
510224341143443310334
6112434145231311530
74301552130046620
oct462243630550216
982471082558310
1021050144510094
116786352888607
12243b7aa97b5a6
13b9903524840b
1452ab92290c10
152678689d9c99
hex13251e62d08e

21050144510094 has 48 divisors (see below), whose sum is σ = 52124856121728. Its totient is φ = 6014247530256.

The previous prime is 21050144510093. The next prime is 21050144510147. The reversal of 21050144510094 is 49001544105012.

21050144510094 is a `hidden beast` number, since 2 + 1 + 0 + 50 + 1 + 4 + 4 + 510 + 0 + 94 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21050144510093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8822289 + ... + 10951395.

It is an arithmetic number, because the mean of its divisors is an integer number (1085934502536).

Almost surely, 221050144510094 is an apocalyptic number.

21050144510094 is an abundant number, since it is smaller than the sum of its proper divisors (31074711611634).

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

21050144510094 is a wasteful number, since it uses less digits than its factorization.

21050144510094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207589 (or 2207586 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 21050144510094 in words is "twenty-one trillion, fifty billion, one hundred forty-four million, five hundred ten thousand, ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 78467 156934 235401 470802 549269 706203 1098538 1412406 1647807 2129107 3295614 4258214 4943421 6387321 9886842 12774642 14903749 19161963 29807498 38323926 44711247 89422494 134133741 268267482 167064638969 334129277938 501193916907 1002387833814 1169452472783 1503581750721 2338904945566 3007163501442 3508357418349 7016714836698 10525072255047 21050144510094