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2054555671542 = 231154415721307
BaseRepresentation
bin11101111001011101000…
…011111001101111110110
321021102011111222010002120
4131321131003321233312
5232130212222442132
64211503322220410
7301302543030033
oct35713503715766
97242144863076
102054555671542
11722372129340
1229222a654706
1311b9890a061a
147162625c38a
153869c7ab02c
hex1de5d0f9bf6

2054555671542 has 32 divisors (see below), whose sum is σ = 4483491571584. Its totient is φ = 622478092800.

The previous prime is 2054555671489. The next prime is 2054555671559. The reversal of 2054555671542 is 2451765554502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2501548 + ... + 3219759.

It is an arithmetic number, because the mean of its divisors is an integer number (140109111612).

Almost surely, 22054555671542 is an apocalyptic number.

2054555671542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2054555671542 is an abundant number, since it is smaller than the sum of its proper divisors (2428935900042).

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

2054555671542 is a wasteful number, since it uses less digits than its factorization.

2054555671542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726764.

The product of its (nonzero) digits is 8400000, while the sum is 51.

The spelling of 2054555671542 in words is "two trillion, fifty-four billion, five hundred fifty-five million, six hundred seventy-one thousand, five hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 5441 10882 16323 32646 59851 119702 179553 359106 5721307 11442614 17163921 34327842 62934377 125868754 188803131 377606262 31129631387 62259262774 93388894161 186777788322 342425945257 684851890514 1027277835771 2054555671542