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87952755681101 = 1731780923201683
BaseRepresentation
bin10011111111111000011000…
…110000100110011101001101
3102112102012102202201100200102
4103333320120300212131031
543012004220423243401
6511020534350540445
724345243164055533
oct2377703060463515
9375365382640612
1087952755681101
112602a610727323
129a459bbb07725
133a0cba889729c
1417a0d168ac153
15a27cbdddc56b
hex4ffe18c2674d

87952755681101 has 16 divisors (see below), whose sum is σ = 93421839115584. Its totient is φ = 82516502625024.

The previous prime is 87952755681059. The next prime is 87952755681151. The reversal of 87952755681101 is 10118655725978.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-87952755681101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87952755681151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435993206 + ... + 436194888.

It is an arithmetic number, because the mean of its divisors is an integer number (5838864944724).

Almost surely, 287952755681101 is an apocalyptic number.

It is an amenable number.

87952755681101 is a deficient number, since it is larger than the sum of its proper divisors (5469083434483).

87952755681101 is a wasteful number, since it uses less digits than its factorization.

87952755681101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282940.

The product of its (nonzero) digits is 42336000, while the sum is 65.

The spelling of 87952755681101 in words is "eighty-seven trillion, nine hundred fifty-two billion, seven hundred fifty-five million, six hundred eighty-one thousand, one hundred one".

Divisors: 1 17 317 5389 80923 201683 1375691 3428611 25652591 63933511 436094047 1086869687 16320793409 277453487953 5173691510653 87952755681101