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1913769906697 = 113474571097113
BaseRepresentation
bin11011110110010101100…
…100110101001000001001
320202221202220201020121201
4123312111210311020021
5222323400044003242
64023101310504201
7255160000543105
oct33662544651011
96687686636551
101913769906697
11678697247470
1226aa99805061
1310b6107a0c1c
14688ac52c905
1534bacac54b7
hex1bd95935209

1913769906697 has 16 divisors (see below), whose sum is σ = 2098349013312. Its totient is φ = 1730979429120.

The previous prime is 1913769906683. The next prime is 1913769906701. The reversal of 1913769906697 is 7966099673191.

It is a cyclic number.

It is not a de Polignac number, because 1913769906697 - 27 = 1913769906569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1913769906637) 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, 1195813 + ... + 2292925.

It is an arithmetic number, because the mean of its divisors is an integer number (131146813332).

Almost surely, 21913769906697 is an apocalyptic number.

It is an amenable number.

1913769906697 is a deficient number, since it is larger than the sum of its proper divisors (184579106615).

1913769906697 is a wasteful number, since it uses less digits than its factorization.

1913769906697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097928.

The product of its (nonzero) digits is 208324872, while the sum is 73.

The spelling of 1913769906697 in words is "one trillion, nine hundred thirteen billion, seven hundred sixty-nine million, nine hundred six thousand, six hundred ninety-seven".

Divisors: 1 11 347 457 3817 5027 158579 1097113 1744369 12068243 380698211 501380641 4187680321 5515187051 173979082427 1913769906697