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7996886997 = 3112337284759
BaseRepresentation
bin1110111001010011…
…01100111111010101
3202122022112221122220
413130221230333111
5112334200340442
63401305012553
7402112263231
oct73451547725
922568487586
107996886997
113434041620
121672184159
139a59c31c8
1455c0d75c1
1531c0d2eec
hex1dca6cfd5

7996886997 has 32 divisors (see below), whose sum is σ = 12465653760. Its totient is φ = 4510566720.

The previous prime is 7996886983. The next prime is 7996887047.

It is a happy number.

7996886997 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7996886997 - 28 = 7996886741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7996886977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114297 + ... + 170462.

It is an arithmetic number, because the mean of its divisors is an integer number (389551680).

Almost surely, 27996886997 is an apocalyptic number.

It is an amenable number.

7996886997 is a deficient number, since it is larger than the sum of its proper divisors (4468766763).

7996886997 is a wasteful number, since it uses less digits than its factorization.

7996886997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284833.

The product of its digits is 740710656, while the sum is 78.

The square root of 7996886997 is about 89425.3151909458. The cubic root of 7996886997 is about 1999.7405494275.

The spelling of 7996886997 in words is "seven billion, nine hundred ninety-six million, eight hundred eighty-six thousand, nine hundred ninety-seven".

Divisors: 1 3 11 23 33 37 69 111 253 407 759 851 1221 2553 9361 28083 284759 854277 3132349 6549457 9397047 10536083 19648371 31608249 72044027 115896913 216132081 242329909 347690739 726989727 2665628999 7996886997