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28025746215151 = 311303693826807
BaseRepresentation
bin1100101111101010000001…
…01001011101000011101111
310200020020100102220011002011
412113311000221131003233
512133133212012341101
6135334503340542051
75621536055165656
oct627650051350357
9120206312804064
1028025746215151
118a2571a121833
1231876b1851927
131283a7cbb2219
146cc64c00c19d
1533903226e751
hex197d40a5d0ef

28025746215151 has 8 divisors (see below), whose sum is σ = 28952005044224. Its totient is φ = 27100875042360.

The previous prime is 28025746215113. The next prime is 28025746215221. The reversal of 28025746215151 is 15151264752082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28025746215151 - 211 = 28025746213103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28025746215095 and 28025746215104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28025746215251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346873011 + ... + 346953796.

It is an arithmetic number, because the mean of its divisors is an integer number (3619000630528).

Almost surely, 228025746215151 is an apocalyptic number.

28025746215151 is a deficient number, since it is larger than the sum of its proper divisors (926258829073).

28025746215151 is a wasteful number, since it uses less digits than its factorization.

28025746215151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693828141.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 28025746215151 in words is "twenty-eight trillion, twenty-five billion, seven hundred forty-six million, two hundred fifteen thousand, one hundred fifty-one".

Divisors: 1 31 1303 40393 693826807 21508631017 904056329521 28025746215151