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54631153562020 = 2257167213991987
BaseRepresentation
bin11000110101111110011101…
…00000000111000110100100
321011102200120000121221112121
430122333032200013012210
524130034100302441040
6312105112214355324
714335653625245550
oct1432771640070644
9234380500557477
1054631153562020
1116452a3aa55522
126163a7295bb44
132463907526479
14d6c23a518860
1564b1359c7c4a
hex31afce8071a4

54631153562020 has 72 divisors (see below), whose sum is σ = 131904597658176. Its totient is φ = 18618520122816.

The previous prime is 54631153561987. The next prime is 54631153562023. The reversal of 54631153562020 is 2026535113645.

It is not an unprimeable number, because it can be changed into a prime (54631153562023) 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, 3091534 + ... + 10900453.

It is an arithmetic number, because the mean of its divisors is an integer number (1832008300808).

Almost surely, 254631153562020 is an apocalyptic number.

It is an amenable number.

54631153562020 is an abundant number, since it is smaller than the sum of its proper divisors (77273444096156).

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

54631153562020 is a wasteful number, since it uses less digits than its factorization.

54631153562020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13992337 (or 13992168 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

Adding to 54631153562020 its reverse (2026535113645), we get a palindrome (56657688675665).

The spelling of 54631153562020 in words is "fifty-four trillion, six hundred thirty-one billion, one hundred fifty-three million, five hundred sixty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 167 334 668 835 1169 1670 2338 3340 4676 5845 11690 23380 27889 55778 111556 139445 195223 278890 390446 557780 780892 976115 1952230 3904460 13991987 27983974 55967948 69959935 97943909 139919870 195887818 279839740 391775636 489719545 979439090 1958878180 2336661829 4673323658 9346647316 11683309145 16356632803 23366618290 32713265606 46733236580 65426531212 81783164015 163566328030 327132656060 390222525443 780445050886 1560890101772 1951112627215 2731557678101 3902225254430 5463115356202 7804450508860 10926230712404 13657788390505 27315576781010 54631153562020