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797680641495 = 35271319601441
BaseRepresentation
bin10111001101110010111…
…10001010010111010111
32211020221201212010020210
423212321132022113113
5101032122221011440
61410241024300503
7111426161402613
oct13467136122727
92736851763223
10797680641495
11288326a21391
1210a719771733
135a2b45b70aa
142a8722d8343
1515b39899a80
hexb9b978a5d7

797680641495 has 16 divisors (see below), whose sum is σ = 1276759526112. Its totient is φ = 425272842240.

The previous prime is 797680641421. The next prime is 797680641547. The reversal of 797680641495 is 594146086797.

It is not a de Polignac number, because 797680641495 - 211 = 797680639447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9760026 + ... + 9841415.

It is an arithmetic number, because the mean of its divisors is an integer number (79797470382).

Almost surely, 2797680641495 is an apocalyptic number.

797680641495 is a deficient number, since it is larger than the sum of its proper divisors (479078884617).

797680641495 is a wasteful number, since it uses less digits than its factorization.

797680641495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19604162.

The product of its (nonzero) digits is 91445760, while the sum is 66.

The spelling of 797680641495 in words is "seven hundred ninety-seven billion, six hundred eighty million, six hundred forty-one thousand, four hundred ninety-five".

Divisors: 1 3 5 15 2713 8139 13565 40695 19601441 58804323 98007205 294021615 53178709433 159536128299 265893547165 797680641495