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54120253101 = 3271103164567
BaseRepresentation
bin110010011001110100…
…011000011010101101
312011200201210201022120
4302121310120122231
51341314241044401
640510144503153
73624102363315
oct623164303255
9164621721276
1054120253101
1120a52521202
12a5a491aab9
135146576605
142895a28445
15161b470836
hexc99d186ad

54120253101 has 16 divisors (see below), whose sum is σ = 72497983488. Its totient is φ = 35911609200.

The previous prime is 54120253081. The next prime is 54120253111. The reversal of 54120253101 is 10135202145.

It is a happy number.

54120253101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54120253101 - 210 = 54120252077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54120253111) 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, 805920 + ... + 870486.

It is an arithmetic number, because the mean of its divisors is an integer number (4531123968).

Almost surely, 254120253101 is an apocalyptic number.

It is an amenable number.

54120253101 is a deficient number, since it is larger than the sum of its proper divisors (18377730387).

54120253101 is a wasteful number, since it uses less digits than its factorization.

54120253101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65872.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 54120253101 its reverse (10135202145), we get a palindrome (64255455246).

The spelling of 54120253101 in words is "fifty-four billion, one hundred twenty million, two hundred fifty-three thousand, one hundred one".

Divisors: 1 3 271 813 1031 3093 64567 193701 279401 838203 17497657 52492971 66568577 199705731 18040084367 54120253101