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920938767101 = 1754172868653
BaseRepresentation
bin11010110011011000011…
…10100110001011111101
310021001002210202122211222
431121230032212023331
5110042040311021401
61543023505523125
7123351502234523
oct15315416461375
93231083678758
10920938767101
11325627a1a4a1
1212a5986434a5
1368ac87b1a22
143280623a313
1518e508d0c1b
hexd66c3a62fd

920938767101 has 4 divisors (see below), whose sum is σ = 975111635772. Its totient is φ = 866765898432.

The previous prime is 920938767097. The next prime is 920938767143. The reversal of 920938767101 is 101767839029.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101767839029 = 108793622667.

It can be written as a sum of positive squares in 2 ways, for example, as 539305171876 + 381633595225 = 734374^2 + 617765^2 .

It is a cyclic number.

It is not a de Polignac number, because 920938767101 - 22 = 920938767097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920938467101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27086434310 + ... + 27086434343.

It is an arithmetic number, because the mean of its divisors is an integer number (243777908943).

Almost surely, 2920938767101 is an apocalyptic number.

It is an amenable number.

920938767101 is a deficient number, since it is larger than the sum of its proper divisors (54172868671).

920938767101 is a wasteful number, since it uses less digits than its factorization.

920938767101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54172868670.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 920938767101 in words is "nine hundred twenty billion, nine hundred thirty-eight million, seven hundred sixty-seven thousand, one hundred one".

Divisors: 1 17 54172868653 920938767101