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7806955053 = 32609997439
BaseRepresentation
bin1110100010101010…
…01010111000101101
3202011002011102000110
413101111022320231
5111442040030203
63330402050233
7364315010622
oct72125127055
922132142013
107806955053
113346905977
12161a649979
13975552741
14540bb6349
1530a5b6d03
hex1d154ae2d

7806955053 has 8 divisors (see below), whose sum is σ = 10413273600. Its totient is φ = 5202636608.

The previous prime is 7806955031. The next prime is 7806955061. The reversal of 7806955053 is 3505596087.

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

It is a cyclic number.

It is not a de Polignac number, because 7806955053 - 28 = 7806954797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7806954993 and 7806955011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7806955853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490893 + ... + 506546.

It is an arithmetic number, because the mean of its divisors is an integer number (1301659200).

Almost surely, 27806955053 is an apocalyptic number.

It is an amenable number.

7806955053 is a deficient number, since it is larger than the sum of its proper divisors (2606318547).

7806955053 is a wasteful number, since it uses less digits than its factorization.

7806955053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000051.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The square root of 7806955053 is about 88356.9751236426. The cubic root of 7806955053 is about 1983.7817609362.

The spelling of 7806955053 in words is "seven billion, eight hundred six million, nine hundred fifty-five thousand, fifty-three".

Divisors: 1 3 2609 7827 997439 2992317 2602318351 7806955053