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51110045160401 = 732773089381817
BaseRepresentation
bin10111001111011111111000…
…00101100001001111010001
320200222001221220222001102102
423213233330011201033101
523144341333030113101
6300411344113330145
713523402364540443
oct1347577405411721
9220861856861372
1051110045160401
1115315715069837
125895576866955
13226986c66b036
14c89a4cc2c493
155d975243e86b
hex2e7bfc1613d1

51110045160401 has 16 divisors (see below), whose sum is σ = 51999541827024. Its totient is φ = 50225682576384.

The previous prime is 51110045160379. The next prime is 51110045160439. The reversal of 51110045160401 is 10406154001115.

It can be written as a sum of positive squares in 8 ways, for example, as 12247900090000 + 38862145070401 = 3499700^2 + 6233951^2 .

It is a cyclic number.

It is not a de Polignac number, because 51110045160401 - 214 = 51110045144017 is a prime.

It is a super-2 number, since 2×511100451604012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51110045460401) 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, 624646445 + ... + 624728261.

It is an arithmetic number, because the mean of its divisors is an integer number (3249971364189).

Almost surely, 251110045160401 is an apocalyptic number.

It is an amenable number.

51110045160401 is a deficient number, since it is larger than the sum of its proper divisors (889496666623).

51110045160401 is a wasteful number, since it uses less digits than its factorization.

51110045160401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113060.

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 51110045160401 its reverse (10406154001115), we get a palindrome (61516199161516).

The spelling of 51110045160401 in words is "fifty-one trillion, one hundred ten billion, forty-five million, one hundred sixty thousand, four hundred one".

Divisors: 1 73 277 20221 30893 81817 2255189 5972641 8557361 22663309 624687353 1654421557 2527572581 184512798413 700137604937 51110045160401