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20913730141092 = 2237188872762083
BaseRepresentation
bin1001100000101010110110…
…11101001011101110100100
32202001022222210221000122020
410300111123131023232210
510220122304404003332
6112251345054103140
74255652505045165
oct460253335135644
982038883830566
1020913730141092
116733510499078
122419279aaaab0
13b892054a5189
14524330d5176c
1526403298c82c
hex13055b74bba4

20913730141092 has 48 divisors (see below), whose sum is σ = 49491595625472. Its totient is φ = 6872280982560.

The previous prime is 20913730141079. The next prime is 20913730141189. The reversal of 20913730141092 is 29014103731902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6190683 + ... + 8952765.

It is an arithmetic number, because the mean of its divisors is an integer number (1031074908864).

Almost surely, 220913730141092 is an apocalyptic number.

It is an amenable number.

20913730141092 is an abundant number, since it is smaller than the sum of its proper divisors (28577865484380).

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

20913730141092 is a wasteful number, since it uses less digits than its factorization.

20913730141092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771048 (or 2771046 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

Adding to 20913730141092 its reverse (29014103731902), we get a palindrome (49927833872994).

The spelling of 20913730141092 in words is "twenty trillion, nine hundred thirteen billion, seven hundred thirty million, one hundred forty-one thousand, ninety-two".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 8887 17774 26661 35548 53322 106644 630977 1261954 1892931 2523908 2762083 3785862 5524166 7571724 8286249 11048332 16572498 33144996 196107893 392215786 588323679 784431572 1176647358 2353294716 24546631621 49093263242 73639894863 98186526484 147279789726 294559579452 1742810845091 3485621690182 5228432535273 6971243380364 10456865070546 20913730141092